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25955953 = 731073323
BaseRepresentation
bin110001100000…
…0111001110001
31210211200212121
41203000321301
523121042303
62324154241
7433423222
oct143007161
953750777
1025955953
1113719101
128838981
1354ba36a
143639249
15242a9bd
hex18c0e71

25955953 has 8 divisors (see below), whose sum is σ = 26565408. Its totient is φ = 25353504.

The previous prime is 25955933. The next prime is 25955999. The reversal of 25955953 is 35955952.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25955953 - 25 = 25955921 is a prime.

It is a super-2 number, since 2×259559532 = 1347422992276418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25955903) 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 7 ways as a sum of consecutive naturals, for example, 6150 + ... + 9472.

It is an arithmetic number, because the mean of its divisors is an integer number (3320676).

Almost surely, 225955953 is an apocalyptic number.

It is an amenable number.

25955953 is a deficient number, since it is larger than the sum of its proper divisors (609455).

25955953 is a wasteful number, since it uses less digits than its factorization.

25955953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3503.

The product of its digits is 303750, while the sum is 43.

The square root of 25955953 is about 5094.6985190490. The cubic root of 25955953 is about 296.0822186079.

Subtracting 25955953 from its reverse (35955952), we obtain a palindrome (9999999).

The spelling of 25955953 in words is "twenty-five million, nine hundred fifty-five thousand, nine hundred fifty-three".

Divisors: 1 73 107 3323 7811 242579 355561 25955953