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107157838 = 24753137157
BaseRepresentation
bin1100110001100…
…01100101001110
321110122011220211
412120301211032
5204413022323
614344433034
72440553344
oct630614516
9243564824
10107157838
11555402a7
122ba7877a
131927b808
1410335994
15961a70d
hex663194e

107157838 has 32 divisors (see below), whose sum is σ = 169547904. Its totient is φ = 50748672.

The previous prime is 107157829. The next prime is 107157839. The reversal of 107157838 is 838751701.

It is a happy number.

It is a super-2 number, since 2×1071578382 = 22965604489668488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 107157838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107157839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 682456 + ... + 682612.

It is an arithmetic number, because the mean of its divisors is an integer number (5298372).

Almost surely, 2107157838 is an apocalyptic number.

107157838 is a deficient number, since it is larger than the sum of its proper divisors (62390066).

107157838 is a wasteful number, since it uses less digits than its factorization.

107157838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396.

The product of its (nonzero) digits is 47040, while the sum is 40.

The square root of 107157838 is about 10351.7070089913. The cubic root of 107157838 is about 474.9792611444.

The spelling of 107157838 in words is "one hundred seven million, one hundred fifty-seven thousand, eight hundred thirty-eight".

Divisors: 1 2 47 53 94 106 137 157 274 314 2491 4982 6439 7261 7379 8321 12878 14522 14758 16642 21509 43018 341267 391087 682534 782174 1010923 1139977 2021846 2279954 53578919 107157838