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42425056 = 25712263
BaseRepresentation
bin1010000111010…
…1101011100000
32221211102020101
42201311223200
541330100211
64113152144
71023415132
oct241655340
987742211
1042425056
1121a47633
121225b654
138a355ab
1458c5052
153ad05c1
hex2875ae0

42425056 has 36 divisors (see below), whose sum is σ = 85039416. Its totient is φ = 20834240.

The previous prime is 42425039. The next prime is 42425083. The reversal of 42425056 is 65052424.

It is a nialpdrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 161181 + ... + 161443.

It is an arithmetic number, because the mean of its divisors is an integer number (2362206).

Almost surely, 242425056 is an apocalyptic number.

It is an amenable number.

42425056 is an abundant number, since it is smaller than the sum of its proper divisors (42614360).

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

42425056 is an equidigital number, since it uses as much as digits as its factorization.

42425056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415 (or 336 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 42425056 is about 6513.4519265901. The cubic root of 42425056 is about 348.7713545760.

The spelling of 42425056 in words is "forty-two million, four hundred twenty-five thousand, fifty-six".

Divisors: 1 2 4 8 16 32 71 142 263 284 526 568 1052 1136 2104 2272 4208 5041 8416 10082 18673 20164 37346 40328 74692 80656 149384 161312 298768 597536 1325783 2651566 5303132 10606264 21212528 42425056