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105712768 = 277127929
BaseRepresentation
bin1100100110100…
…00110010000000
321100220202122201
412103100302000
5204030302033
614253442544
72422354330
oct623206200
9240822581
10105712768
1154743627
122b4a0454
1318b93b45
141007b0c0
15943247d
hex64d0c80

105712768 has 64 divisors (see below), whose sum is σ = 242841600. Its totient is φ = 44900352.

The previous prime is 105712757. The next prime is 105712769. The reversal of 105712768 is 867217501.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×1057127682 = 22350378636443648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105712769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113328 + ... + 114256.

It is an arithmetic number, because the mean of its divisors is an integer number (3794400).

Almost surely, 2105712768 is an apocalyptic number.

105712768 is the 6503-rd heptagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105712768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121420800).

105712768 is an abundant number, since it is smaller than the sum of its proper divisors (137128832).

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

105712768 is an equidigital number, since it uses as much as digits as its factorization.

105712768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077 (or 1065 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 37.

The square root of 105712768 is about 10281.6714594467. The cubic root of 105712768 is about 472.8344904375.

The spelling of 105712768 in words is "one hundred five million, seven hundred twelve thousand, seven hundred sixty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 127 128 224 254 448 508 889 896 929 1016 1778 1858 2032 3556 3716 4064 6503 7112 7432 8128 13006 14224 14864 16256 26012 28448 29728 52024 56896 59456 104048 113792 117983 118912 208096 235966 416192 471932 825881 832384 943864 1651762 1887728 3303524 3775456 6607048 7550912 13214096 15101824 26428192 52856384 105712768