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25757423 = 291635449
BaseRepresentation
bin110001001000…
…0011011101111
31210110121112122
41202100123233
523043214143
62320023155
7431635346
oct142203357
953417478
1025757423
11135a2a2a
128761abb
13544aba3
1435c6b5d
1523dbc68
hex18906ef

25757423 has 8 divisors (see below), whose sum is σ = 26814000. Its totient is φ = 24712128.

The previous prime is 25757411. The next prime is 25757437. The reversal of 25757423 is 32475752.

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 25757423 - 210 = 25756399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25751423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2003 + ... + 7451.

It is an arithmetic number, because the mean of its divisors is an integer number (3351750).

Almost surely, 225757423 is an apocalyptic number.

25757423 is a deficient number, since it is larger than the sum of its proper divisors (1056577).

25757423 is a wasteful number, since it uses less digits than its factorization.

25757423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5641.

The product of its digits is 58800, while the sum is 35.

The square root of 25757423 is about 5075.1771397657. The cubic root of 25757423 is about 295.3254017282.

The spelling of 25757423 in words is "twenty-five million, seven hundred fifty-seven thousand, four hundred twenty-three".

Divisors: 1 29 163 4727 5449 158021 888187 25757423