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25042056 = 2331380263
BaseRepresentation
bin101111110000…
…1110010001000
31202010021020120
41133201302020
522402321211
62252423240
7422565624
oct137416210
952107216
1025042056
1113154516
128477b20
13525a3b0
14347c184
1522e9d06
hex17e1c88

25042056 has 32 divisors (see below), whose sum is σ = 67421760. Its totient is φ = 7705152.

The previous prime is 25042033. The next prime is 25042063. The reversal of 25042056 is 65024052.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39820 + ... + 40443.

It is an arithmetic number, because the mean of its divisors is an integer number (2106930).

Almost surely, 225042056 is an apocalyptic number.

25042056 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

25042056 is an abundant number, since it is smaller than the sum of its proper divisors (42379704).

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

25042056 is a wasteful number, since it uses less digits than its factorization.

25042056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80285 (or 80281 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 25042056 is about 5004.2038327790. The cubic root of 25042056 is about 292.5656452852.

It can be divided in two parts, 2504 and 2056, that added together give a triangular number (4560 = T95).

The spelling of 25042056 in words is "twenty-five million, forty-two thousand, fifty-six".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 80263 160526 240789 321052 481578 642104 963156 1043419 1926312 2086838 3130257 4173676 6260514 8347352 12521028 25042056