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42995810 = 251113107281
BaseRepresentation
bin1010010000000…
…1000001100010
32222220102011102
42210001001202
542001331220
64133314402
71031313134
oct244010142
988812142
1042995810
11222a7430
1212495a02
138ba5310
1459d3054
153b94775
hex2901062

42995810 has 64 divisors (see below), whose sum is σ = 92098944. Its totient is φ = 14246400.

The previous prime is 42995807. The next prime is 42995857. The reversal of 42995810 is 1859924.

It is a super-2 number, since 2×429958102 = 3697279355112200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152870 + ... + 153150.

It is an arithmetic number, because the mean of its divisors is an integer number (1439046).

Almost surely, 242995810 is an apocalyptic number.

42995810 is an abundant number, since it is smaller than the sum of its proper divisors (49103134).

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

42995810 is a wasteful number, since it uses less digits than its factorization.

42995810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 42995810 is about 6557.1190320140. The cubic root of 42995810 is about 350.3284264149.

The spelling of 42995810 in words is "forty-two million, nine hundred ninety-five thousand, eight hundred ten".

Divisors: 1 2 5 10 11 13 22 26 55 65 107 110 130 143 214 281 286 535 562 715 1070 1177 1391 1405 1430 2354 2782 2810 3091 3653 5885 6182 6955 7306 11770 13910 15301 15455 18265 30067 30602 30910 36530 40183 60134 76505 80366 150335 153010 200915 300670 330737 390871 401830 661474 781742 1653685 1954355 3307370 3908710 4299581 8599162 21497905 42995810