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73698768 = 243311131193
BaseRepresentation
bin1000110010010…
…00110111010000
312010200021201000
410121020313100
5122331330033
611151342000
71553300133
oct431106720
9163607630
1073698768
1138667a80
1220821900
1312365250
149b0621a
15670ba13
hex4648dd0

73698768 has 160 divisors (see below), whose sum is σ = 248734080. Its totient is φ = 20597760.

The previous prime is 73698767. The next prime is 73698769. The reversal of 73698768 is 86789637.

It is an interprime number because it is at equal distance from previous prime (73698767) and next prime (73698769).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73698761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61180 + ... + 62372.

It is an arithmetic number, because the mean of its divisors is an integer number (1554588).

Almost surely, 273698768 is an apocalyptic number.

73698768 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73698768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124367040).

73698768 is an abundant number, since it is smaller than the sum of its proper divisors (175035312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73698768 is a wasteful number, since it uses less digits than its factorization.

73698768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234 (or 1222 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 73698768 is about 8584.7986580933. The cubic root of 73698768 is about 419.2631979870.

The spelling of 73698768 in words is "seventy-three million, six hundred ninety-eight thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 11 12 13 16 18 22 24 26 27 33 36 39 44 48 52 54 66 72 78 88 99 104 108 117 132 143 144 156 176 198 208 216 234 264 286 297 312 351 396 429 432 468 528 572 594 624 702 792 858 936 1144 1188 1193 1287 1404 1584 1716 1872 2288 2376 2386 2574 2808 3432 3579 3861 4752 4772 5148 5616 6864 7158 7722 9544 10296 10737 13123 14316 15444 15509 19088 20592 21474 26246 28632 30888 31018 32211 39369 42948 46527 52492 57264 61776 62036 64422 78738 85896 93054 104984 118107 124072 128844 139581 157476 170599 171792 186108 209968 236214 248144 257688 279162 314952 341198 354321 372216 418743 472428 511797 515376 558324 629904 682396 708642 744432 837486 944856 1023594 1116648 1364792 1417284 1535391 1674972 1889712 2047188 2233296 2729584 2834568 3070782 3349944 4094376 4606173 5669136 6141564 6699888 8188752 9212346 12283128 18424692 24566256 36849384 73698768