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42655504 = 243185999
BaseRepresentation
bin1010001010110…
…1111100010000
32222021010100111
42202231330100
541404434004
64122131104
71025365033
oct242557420
988233314
1042655504
1122094791
1212350a94
138ab6458
14594501a
153b28a04
hex28adf10

42655504 has 20 divisors (see below), whose sum is σ = 85312000. Its totient is φ = 20639520.

The previous prime is 42655477. The next prime is 42655517. The reversal of 42655504 is 40555624.

42655504 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42504 + ... + 43495.

It is an arithmetic number, because the mean of its divisors is an integer number (4265600).

Almost surely, 242655504 is an apocalyptic number.

It is an amenable number.

42655504 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42655504 is a wasteful number, since it uses less digits than its factorization.

42655504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86038 (or 86032 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 42655504 is about 6531.1181278553. The cubic root of 42655504 is about 349.4017098381.

The spelling of 42655504 in words is "forty-two million, six hundred fifty-five thousand, five hundred four".

Divisors: 1 2 4 8 16 31 62 124 248 496 85999 171998 343996 687992 1375984 2665969 5331938 10663876 21327752 42655504