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25272051 = 379111321
BaseRepresentation
bin110000001100…
…1111011110011
31202112221201220
41200121323303
522432201201
62301400123
7424544310
oct140317363
952487656
1025272051
11132a12a2
128569043
13530ac9c
1434dbd07
152343036
hex1819ef3

25272051 has 16 divisors (see below), whose sum is σ = 38581248. Its totient is φ = 14414400.

The previous prime is 25272019. The next prime is 25272053. The reversal of 25272051 is 15027252.

It is not a de Polignac number, because 25272051 - 25 = 25272019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25272053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18471 + ... + 19791.

It is an arithmetic number, because the mean of its divisors is an integer number (2411328).

Almost surely, 225272051 is an apocalyptic number.

25272051 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

25272051 is a deficient number, since it is larger than the sum of its proper divisors (13309197).

25272051 is a wasteful number, since it uses less digits than its factorization.

25272051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 25272051 is about 5027.1314882346. The cubic root of 25272051 is about 293.4585921943.

The spelling of 25272051 in words is "twenty-five million, two hundred seventy-two thousand, fifty-one".

Divisors: 1 3 7 21 911 1321 2733 3963 6377 9247 19131 27741 1203431 3610293 8424017 25272051