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42063880 = 2357391423
BaseRepresentation
bin1010000001110…
…1100000001000
32221011001210111
42200131200020
541232021010
64101324104
71020352135
oct240354010
987131714
1042063880
1121820241
1212106634
13893a091
14582d58c
153a5d58a
hex281d808

42063880 has 32 divisors (see below), whose sum is σ = 94838400. Its totient is φ = 16790976.

The previous prime is 42063871. The next prime is 42063881. The reversal of 42063880 is 8836024.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42063881) 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, 28849 + ... + 30271.

It is an arithmetic number, because the mean of its divisors is an integer number (2963700).

Almost surely, 242063880 is an apocalyptic number.

42063880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42063880 is an abundant number, since it is smaller than the sum of its proper divisors (52774520).

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

42063880 is a wasteful number, since it uses less digits than its factorization.

42063880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2173 (or 2169 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 42063880 is about 6485.6672748454. The cubic root of 42063880 is about 347.7788042521.

The spelling of 42063880 in words is "forty-two million, sixty-three thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 739 1423 1478 2846 2956 3695 5692 5912 7115 7390 11384 14230 14780 28460 29560 56920 1051597 2103194 4206388 5257985 8412776 10515970 21031940 42063880