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42479412 = 22311331327
BaseRepresentation
bin1010001000001…
…0111100110100
32221221011210120
42202002330310
541333320122
64114251540
71024032453
oct242027464
987834716
1042479412
1121a84458
1212286bb0
138a54261
1458dab9a
153ae175c
hex2882f34

42479412 has 24 divisors (see below), whose sum is σ = 99998976. Its totient is φ = 14034048.

The previous prime is 42479401. The next prime is 42479419. The reversal of 42479412 is 21497424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42479419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14308 + ... + 17019.

It is an arithmetic number, because the mean of its divisors is an integer number (4166624).

Almost surely, 242479412 is an apocalyptic number.

It is an amenable number.

42479412 is an abundant number, since it is smaller than the sum of its proper divisors (57519564).

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

42479412 is a wasteful number, since it uses less digits than its factorization.

42479412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31447 (or 31445 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 42479412 is about 6517.6231864078. The cubic root of 42479412 is about 348.9202424180.

The spelling of 42479412 in words is "forty-two million, four hundred seventy-nine thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 113 226 339 452 678 1356 31327 62654 93981 125308 187962 375924 3539951 7079902 10619853 14159804 21239706 42479412