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25213952 = 21024623
BaseRepresentation
bin110000000101…
…1110000000000
31202110000001002
41200023300000
522423321302
62300231132
7424213031
oct140136000
952400032
1025213952
1113261685
12853b4a8
1352ba6ca
1434c4a88
152330c02
hex180bc00

25213952 has 22 divisors (see below), whose sum is σ = 50405328. Its totient is φ = 12606464.

The previous prime is 25213939. The next prime is 25213961. The reversal of 25213952 is 25931252.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11288 + ... + 13335.

Almost surely, 225213952 is an apocalyptic number.

It is an amenable number.

25213952 is a deficient number, since it is larger than the sum of its proper divisors (25191376).

25213952 is an equidigital number, since it uses as much as digits as its factorization.

25213952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24643 (or 24625 counting only the distinct ones).

The product of its digits is 5400, while the sum is 29.

The square root of 25213952 is about 5021.3496193753. The cubic root of 25213952 is about 293.2335381369.

The spelling of 25213952 in words is "twenty-five million, two hundred thirteen thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 16 32 64 128 256 512 1024 24623 49246 98492 196984 393968 787936 1575872 3151744 6303488 12606976 25213952