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16102925 = 52644117
BaseRepresentation
bin111101011011…
…011000001101
31010022010001122
4331123120031
513110243200
61333050325
7253605206
oct75333015
933263048
1016102925
1190a9403
1254869a5
13344a677
1421d25ad
151631385
hexf5b60d

16102925 has 6 divisors (see below), whose sum is σ = 19967658. Its totient is φ = 12882320.

The previous prime is 16102909. The next prime is 16102939. The reversal of 16102925 is 52920161.

It can be written as a sum of positive squares in 3 ways, for example, as 310249 + 15792676 = 557^2 + 3974^2 .

It is not a de Polignac number, because 16102925 - 24 = 16102909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16102894 and 16102903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 322034 + ... + 322083.

It is an arithmetic number, because the mean of its divisors is an integer number (3327943).

Almost surely, 216102925 is an apocalyptic number.

It is an amenable number.

16102925 is a deficient number, since it is larger than the sum of its proper divisors (3864733).

16102925 is an equidigital number, since it uses as much as digits as its factorization.

16102925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644127 (or 644122 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 16102925 is about 4012.8450007445. The cubic root of 16102925 is about 252.5233778963.

The spelling of 16102925 in words is "sixteen million, one hundred two thousand, nine hundred twenty-five".

Divisors: 1 5 25 644117 3220585 16102925