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42574758 = 2322731259
BaseRepresentation
bin1010001001101…
…0001110100110
32222010000120220
42202122032212
541344343013
64120305210
71024610442
oct242321646
988100526
1042574758
112203a056
1212312206
138a88785
145923822
153b0eb23
hex289a3a6

42574758 has 16 divisors (see below), whose sum is σ = 85527360. Its totient is φ = 14128616.

The previous prime is 42574757. The next prime is 42574793. The reversal of 42574758 is 85747524.

It is a super-2 number, since 2×425747582 = 3625220037517128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42574751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14268 + ... + 16991.

It is an arithmetic number, because the mean of its divisors is an integer number (5345460).

Almost surely, 242574758 is an apocalyptic number.

42574758 is an abundant number, since it is smaller than the sum of its proper divisors (42952602).

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

42574758 is a wasteful number, since it uses less digits than its factorization.

42574758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31491.

The product of its digits is 313600, while the sum is 42.

The square root of 42574758 is about 6524.9335628802. The cubic root of 42574758 is about 349.1811004704.

The spelling of 42574758 in words is "forty-two million, five hundred seventy-four thousand, seven hundred fifty-eight".

Divisors: 1 2 3 6 227 454 681 1362 31259 62518 93777 187554 7095793 14191586 21287379 42574758