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25275072 = 263131641
BaseRepresentation
bin110000001101…
…0101011000000
31202120002212210
41200122223000
522432300242
62301422120
7424556154
oct140325300
952502783
1025275072
11132a3599
12856a940
13530c484
1434dd064
152343d9c
hex181aac0

25275072 has 28 divisors (see below), whose sum is σ = 66874136. Its totient is φ = 8424960.

The previous prime is 25275031. The next prime is 25275079. The reversal of 25275072 is 27057252.

It is not an unprimeable number, because it can be changed into a prime (25275079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65629 + ... + 66012.

It is an arithmetic number, because the mean of its divisors is an integer number (2388362).

Almost surely, 225275072 is an apocalyptic number.

It is an amenable number.

25275072 is an abundant number, since it is smaller than the sum of its proper divisors (41599064).

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

25275072 is a wasteful number, since it uses less digits than its factorization.

25275072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131656 (or 131646 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 30.

The square root of 25275072 is about 5027.4319488184. The cubic root of 25275072 is about 293.4702849940.

The spelling of 25275072 in words is "twenty-five million, two hundred seventy-five thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 131641 263282 394923 526564 789846 1053128 1579692 2106256 3159384 4212512 6318768 8425024 12637536 25275072