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42704974 = 2132371413
BaseRepresentation
bin1010001011101…
…0000001001110
32222100122012201
42202322001032
541413024344
64123152114
71025662204
oct242720116
988318181
1042704974
1122118974
121237563a
138b02b20
145959074
153b384d4
hex28ba04e

42704974 has 16 divisors (see below), whose sum is σ = 71985312. Its totient is φ = 18852768.

The previous prime is 42704971. The next prime is 42705007. The reversal of 42704974 is 47940724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42704971) 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, 35109 + ... + 36304.

It is an arithmetic number, because the mean of its divisors is an integer number (4499082).

Almost surely, 242704974 is an apocalyptic number.

42704974 is a deficient number, since it is larger than the sum of its proper divisors (29280338).

42704974 is a wasteful number, since it uses less digits than its factorization.

42704974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71451.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 42704974 is about 6534.9042839203. The cubic root of 42704974 is about 349.5367312943.

The spelling of 42704974 in words is "forty-two million, seven hundred four thousand, nine hundred seventy-four".

Divisors: 1 2 13 23 26 46 299 598 71413 142826 928369 1642499 1856738 3284998 21352487 42704974