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42982464 = 263731981
BaseRepresentation
bin1010001111110…
…1110001000000
32222212201212010
42203331301000
542000414324
64133132520
71031226210
oct243756100
988781763
1042982464
11222983a8
121248a140
138b9c215
1459cc240
153b90829
hex28fdc40

42982464 has 56 divisors (see below), whose sum is σ = 129974848. Its totient is φ = 12280320.

The previous prime is 42982453. The next prime is 42982501. The reversal of 42982464 is 46428924.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×429824642 = 3694984423022592, which contains 22 as substring.

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, 14647 + ... + 17334.

Almost surely, 242982464 is an apocalyptic number.

It is an amenable number.

42982464 is an abundant number, since it is smaller than the sum of its proper divisors (86992384).

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

42982464 is a wasteful number, since it uses less digits than its factorization.

42982464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32003 (or 31993 counting only the distinct ones).

The product of its digits is 110592, while the sum is 39.

The square root of 42982464 is about 6556.1012804867. The cubic root of 42982464 is about 350.2921750761.

The spelling of 42982464 in words is "forty-two million, nine hundred eighty-two thousand, four hundred sixty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 168 192 224 336 448 672 1344 31981 63962 95943 127924 191886 223867 255848 383772 447734 511696 671601 767544 895468 1023392 1343202 1535088 1790936 2046784 2686404 3070176 3581872 5372808 6140352 7163744 10745616 14327488 21491232 42982464