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42620474 = 2133152879
BaseRepresentation
bin1010001010010…
…1011000111010
32222012100022002
42202211120322
541402323344
64121301002
71025160641
oct242453072
988170262
1042620474
1122070436
1212334762
138aa3520
145936358
153b1d44e
hex28a563a

42620474 has 16 divisors (see below), whose sum is σ = 71070720. Its totient is φ = 19036080.

The previous prime is 42620471. The next prime is 42620489. The reversal of 42620474 is 47402624.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42620471) 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, 25634 + ... + 27245.

It is an arithmetic number, because the mean of its divisors is an integer number (4441920).

Almost surely, 242620474 is an apocalyptic number.

42620474 is a deficient number, since it is larger than the sum of its proper divisors (28450246).

42620474 is a wasteful number, since it uses less digits than its factorization.

42620474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52925.

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 42620474 is about 6528.4358004043. The cubic root of 42620474 is about 349.3060371989.

The spelling of 42620474 in words is "forty-two million, six hundred twenty thousand, four hundred seventy-four".

Divisors: 1 2 13 26 31 62 403 806 52879 105758 687427 1374854 1639249 3278498 21310237 42620474