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25052538 = 237596489
BaseRepresentation
bin101111110010…
…0010101111010
31202010210121210
41133210111322
522403140123
62252543550
7422641320
oct137442572
952123553
1025052538
1113161385
128481bb6
1352620b4
143481d10
1522ece93
hex17e457a

25052538 has 16 divisors (see below), whose sum is σ = 57263040. Its totient is φ = 7157856.

The previous prime is 25052537. The next prime is 25052539. The reversal of 25052538 is 83525052.

It is an interprime number because it is at equal distance from previous prime (25052537) and next prime (25052539).

It is not an unprimeable number, because it can be changed into a prime (25052537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298203 + ... + 298286.

It is an arithmetic number, because the mean of its divisors is an integer number (3578940).

Almost surely, 225052538 is an apocalyptic number.

25052538 is an abundant number, since it is smaller than the sum of its proper divisors (32210502).

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

25052538 is a wasteful number, since it uses less digits than its factorization.

25052538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596501.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 25052538 is about 5005.2510426551. The cubic root of 25052538 is about 292.6064598961.

The spelling of 25052538 in words is "twenty-five million, fifty-two thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 7 14 21 42 596489 1192978 1789467 3578934 4175423 8350846 12526269 25052538