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103438368 = 253211103317
BaseRepresentation
bin1100010101001…
…01100000100000
321012122012202200
412022211200200
5202440011433
614133013200
72364132405
oct612454040
9235565680
10103438368
115342a860
122a784200
1318578847
14da482ac
159133613
hex62a5820

103438368 has 144 divisors (see below), whose sum is σ = 325031616. Its totient is φ = 30942720.

The previous prime is 103438343. The next prime is 103438373. The reversal of 103438368 is 863834301.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 326146 + ... + 326462.

It is an arithmetic number, because the mean of its divisors is an integer number (2257164).

Almost surely, 2103438368 is an apocalyptic number.

103438368 is a gapful number since it is divisible by the number (18) 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 103438368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162515808).

103438368 is an abundant number, since it is smaller than the sum of its proper divisors (221593248).

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

103438368 is a wasteful number, since it uses less digits than its factorization.

103438368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447 (or 436 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 103438368 is about 10170.4654760734. The cubic root of 103438368 is about 469.4188803972.

The spelling of 103438368 in words is "one hundred three million, four hundred thirty-eight thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 66 72 88 96 99 103 132 144 176 198 206 264 288 309 317 352 396 412 528 618 634 792 824 927 951 1056 1133 1236 1268 1584 1648 1854 1902 2266 2472 2536 2853 3168 3296 3399 3487 3708 3804 4532 4944 5072 5706 6798 6974 7416 7608 9064 9888 10144 10197 10461 11412 13596 13948 14832 15216 18128 20394 20922 22824 27192 27896 29664 30432 31383 32651 36256 40788 41844 45648 54384 55792 62766 65302 81576 83688 91296 97953 108768 111584 125532 130604 163152 167376 195906 251064 261208 293859 326304 334752 359161 391812 502128 522416 587718 718322 783624 1004256 1044832 1077483 1175436 1436644 1567248 2154966 2350872 2873288 3134496 3232449 4309932 4701744 5746576 6464898 8619864 9403488 11493152 12929796 17239728 25859592 34479456 51719184 103438368