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84480672 = 253880007
BaseRepresentation
bin1010000100100…
…01001010100000
312212222001200210
411002101022200
5133111340142
612214414120
72044034223
oct502211240
9185861623
1084480672
1143761641
1224361340
131466b983
14b3115ba
15763b49c
hex50912a0

84480672 has 24 divisors (see below), whose sum is σ = 221762016. Its totient is φ = 28160192.

The previous prime is 84480653. The next prime is 84480689. The reversal of 84480672 is 27608448.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 84480672.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439908 + ... + 440099.

It is an arithmetic number, because the mean of its divisors is an integer number (9240084).

Almost surely, 284480672 is an apocalyptic number.

It is an amenable number.

84480672 is an abundant number, since it is smaller than the sum of its proper divisors (137281344).

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

84480672 is a wasteful number, since it uses less digits than its factorization.

84480672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880020 (or 880012 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 84480672 is about 9191.3367906959. The cubic root of 84480672 is about 438.7856876353.

The spelling of 84480672 in words is "eighty-four million, four hundred eighty thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 880007 1760014 2640021 3520028 5280042 7040056 10560084 14080112 21120168 28160224 42240336 84480672