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71434804 = 2277135933
BaseRepresentation
bin1000100001000…
…00001000110100
311222102021010111
410100200020310
5121241403204
611031032404
71525120510
oct420401064
9158367114
1071434804
1137361031
121bb0b704
1311a5191c
1496b7140
156410d04
hex4420234

71434804 has 24 divisors (see below), whose sum is σ = 144885888. Its totient is φ = 30182880.

The previous prime is 71434763. The next prime is 71434817. The reversal of 71434804 is 40843417.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 15979 + ... + 19954.

It is an arithmetic number, because the mean of its divisors is an integer number (6036912).

Almost surely, 271434804 is an apocalyptic number.

It is an amenable number.

71434804 is an abundant number, since it is smaller than the sum of its proper divisors (73451084).

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

71434804 is a wasteful number, since it uses less digits than its factorization.

71434804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36015 (or 36013 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 71434804 is about 8451.9112631404. The cubic root of 71434804 is about 414.9253342228.

The spelling of 71434804 in words is "seventy-one million, four hundred thirty-four thousand, eight hundred four".

Divisors: 1 2 4 7 14 28 71 142 284 497 994 1988 35933 71866 143732 251531 503062 1006124 2551243 5102486 10204972 17858701 35717402 71434804