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42380858 = 21323131541
BaseRepresentation
bin1010000110101…
…0111000111010
32221202011121102
42201222320322
541322141413
64112211402
71023142232
oct241527072
987664542
1042380858
1121a17403
1212239b62
138a1b440
1458b2cc2
153ac2458
hex286ae3a

42380858 has 32 divisors (see below), whose sum is σ = 72116352. Its totient is φ = 18532800.

The previous prime is 42380837. The next prime is 42380957. The reversal of 42380858 is 85808324.

42380858 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×423808582 = 3592274249632328, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78068 + ... + 78608.

It is an arithmetic number, because the mean of its divisors is an integer number (2253636).

Almost surely, 242380858 is an apocalyptic number.

42380858 is a deficient number, since it is larger than the sum of its proper divisors (29735494).

42380858 is a wasteful number, since it uses less digits than its factorization.

42380858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710.

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 42380858 is about 6510.0582178656. The cubic root of 42380858 is about 348.6501969870.

The spelling of 42380858 in words is "forty-two million, three hundred eighty thousand, eight hundred fifty-eight".

Divisors: 1 2 13 23 26 46 131 262 299 541 598 1082 1703 3013 3406 6026 7033 12443 14066 24886 39169 70871 78338 141742 161759 323518 921323 1630033 1842646 3260066 21190429 42380858