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10161925 = 523111307
BaseRepresentation
bin100110110000…
…111100000101
3201010021112121
4212300330011
510100140200
61001445541
7152242414
oct46607405
921107477
1010161925
115810894
1234a08b1
13214a497
1414c747b
15d5ae1a
hex9b0f05

10161925 has 12 divisors (see below), whose sum is σ = 12650976. Its totient is φ = 8097200.

The previous prime is 10161923. The next prime is 10161947. The reversal of 10161925 is 52916101.

It is not a de Polignac number, because 10161925 - 21 = 10161923 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10161925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10161923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7122 + ... + 8428.

It is an arithmetic number, because the mean of its divisors is an integer number (1054248).

Almost surely, 210161925 is an apocalyptic number.

It is an amenable number.

10161925 is a deficient number, since it is larger than the sum of its proper divisors (2489051).

10161925 is a wasteful number, since it uses less digits than its factorization.

10161925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628 (or 1623 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 25.

The square root of 10161925 is about 3187.7774389063. Note that the first 3 decimals coincide. The cubic root of 10161925 is about 216.6001044713.

It can be divided in two parts, 101 and 61925, that added together give a palindrome (62026).

The spelling of 10161925 in words is "ten million, one hundred sixty-one thousand, nine hundred twenty-five".

Divisors: 1 5 25 311 1307 1555 6535 7775 32675 406477 2032385 10161925