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25364969 = 717434957
BaseRepresentation
bin110000011000…
…0100111101001
31202201200012022
41200300213221
522443134334
62303354225
7425412230
oct140604751
952650168
1025364969
1113355093
1285b2975
135341376
143523b17
15236082e
hex18309e9

25364969 has 16 divisors (see below), whose sum is σ = 31413888. Its totient is φ = 19982592.

The previous prime is 25364947. The next prime is 25364987. The reversal of 25364969 is 96946352.

It is not a de Polignac number, because 25364969 - 216 = 25299433 is a prime.

It is a super-2 number, since 2×253649692 = 1286763304741922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25364909) 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 15 ways as a sum of consecutive naturals, for example, 2639 + ... + 7595.

It is an arithmetic number, because the mean of its divisors is an integer number (1963368).

Almost surely, 225364969 is an apocalyptic number.

It is an amenable number.

25364969 is a deficient number, since it is larger than the sum of its proper divisors (6048919).

25364969 is a wasteful number, since it uses less digits than its factorization.

25364969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5024.

The product of its digits is 349920, while the sum is 44.

The square root of 25364969 is about 5036.3646611420. The cubic root of 25364969 is about 293.8178063480.

The spelling of 25364969 in words is "twenty-five million, three hundred sixty-four thousand, nine hundred sixty-nine".

Divisors: 1 7 17 43 119 301 731 4957 5117 34699 84269 213151 589883 1492057 3623567 25364969