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25630052 = 2278811039
BaseRepresentation
bin110000111000…
…1010101100100
31210020010211012
41201301111210
523030130202
62313201352
7430565120
oct141612544
953203735
1025630052
1113516268
128700258
135404c16
143592580
1523b4152
hex1871564

25630052 has 24 divisors (see below), whose sum is σ = 51367680. Its totient is φ = 10961280.

The previous prime is 25630039. The next prime is 25630057. The reversal of 25630052 is 25003652.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (25630057) 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, 24149 + ... + 25187.

It is an arithmetic number, because the mean of its divisors is an integer number (2140320).

Almost surely, 225630052 is an apocalyptic number.

It is an amenable number.

25630052 is an abundant number, since it is smaller than the sum of its proper divisors (25737628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25630052 is a wasteful number, since it uses less digits than its factorization.

25630052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931 (or 1929 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 25630052 is about 5062.6131592291. The cubic root of 25630052 is about 294.8378003296.

The spelling of 25630052 in words is "twenty-five million, six hundred thirty thousand, fifty-two".

Divisors: 1 2 4 7 14 28 881 1039 1762 2078 3524 4156 6167 7273 12334 14546 24668 29092 915359 1830718 3661436 6407513 12815026 25630052