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102638116 = 2274218707
BaseRepresentation
bin1100001111000…
…10001000100100
321011010120000201
412013202020210
5202233404431
614103520244
72354260330
oct607421044
9234116021
10102638116
1152a33599
122a459084
1318358519
14d8ba7c0
159026461
hex61e2224

102638116 has 24 divisors (see below), whose sum is σ = 205787456. Its totient is φ = 43878240.

The previous prime is 102638099. The next prime is 102638147. The reversal of 102638116 is 611836201.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7435 + ... + 16141.

Almost surely, 2102638116 is an apocalyptic number.

It is an amenable number.

102638116 is an abundant number, since it is smaller than the sum of its proper divisors (103149340).

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

102638116 is a wasteful number, since it uses less digits than its factorization.

102638116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9139 (or 9137 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 102638116 is about 10131.0471324538. The cubic root of 102638116 is about 468.2051904184.

The spelling of 102638116 in words is "one hundred two million, six hundred thirty-eight thousand, one hundred sixteen".

Divisors: 1 2 4 7 14 28 421 842 1684 2947 5894 8707 11788 17414 34828 60949 121898 243796 3665647 7331294 14662588 25659529 51319058 102638116