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42379892 = 22232771663
BaseRepresentation
bin1010000110101…
…0101001110100
32221202010021122
42201222221310
541322124032
64112203112
71023136352
oct241525164
987663248
1042379892
1121a16705
1212239498
138a1ab79
1458b27d2
153ac2012
hex286aa74

42379892 has 24 divisors (see below), whose sum is σ = 77715456. Its totient is φ = 20183328.

The previous prime is 42379891. The next prime is 42379901. The reversal of 42379892 is 29897324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42379891) 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, 24653 + ... + 26315.

It is an arithmetic number, because the mean of its divisors is an integer number (3238144).

Almost surely, 242379892 is an apocalyptic number.

It is an amenable number.

42379892 is a deficient number, since it is larger than the sum of its proper divisors (35335564).

42379892 is a wasteful number, since it uses less digits than its factorization.

42379892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967 (or 1965 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 42379892 is about 6509.9840245580. The cubic root of 42379892 is about 348.6475480029.

The spelling of 42379892 in words is "forty-two million, three hundred seventy-nine thousand, eight hundred ninety-two".

Divisors: 1 2 4 23 46 92 277 554 1108 1663 3326 6371 6652 12742 25484 38249 76498 152996 460651 921302 1842604 10594973 21189946 42379892