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76889088 = 21036103
BaseRepresentation
bin1001001010100…
…11110000000000
312100200101000000
410211103300000
5124140422323
611344000000
71622355303
oct445236000
9170611000
1076889088
113a446a01
1221900000
1312c11403
14a2d6b3a
156b3be43
hex4953c00

76889088 has 154 divisors (see below), whose sum is σ = 232686584. Its totient is φ = 25380864.

The previous prime is 76889051. The next prime is 76889089. The reversal of 76889088 is 88098867.

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 (76889089) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 746445 + ... + 746547.

Almost surely, 276889088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76889088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116343292).

76889088 is an abundant number, since it is smaller than the sum of its proper divisors (155797496).

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

76889088 is an equidigital number, since it uses as much as digits as its factorization.

76889088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 54.

The square root of 76889088 is about 8768.6423122397. The cubic root of 76889088 is about 425.2277220210.

The spelling of 76889088 in words is "seventy-six million, eight hundred eighty-nine thousand, eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 103 108 128 144 162 192 206 216 243 256 288 309 324 384 412 432 486 512 576 618 648 729 768 824 864 927 972 1024 1152 1236 1296 1458 1536 1648 1728 1854 1944 2304 2472 2592 2781 2916 3072 3296 3456 3708 3888 4608 4944 5184 5562 5832 6592 6912 7416 7776 8343 9216 9888 10368 11124 11664 13184 13824 14832 15552 16686 19776 20736 22248 23328 25029 26368 27648 29664 31104 33372 39552 41472 44496 46656 50058 52736 59328 62208 66744 75087 79104 82944 88992 93312 100116 105472 118656 124416 133488 150174 158208 177984 186624 200232 237312 248832 266976 300348 316416 355968 373248 400464 474624 533952 600696 711936 746496 800928 949248 1067904 1201392 1423872 1601856 2135808 2402784 2847744 3203712 4271616 4805568 6407424 8543232 9611136 12814848 19222272 25629696 38444544 76889088