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84344672 = 254361297
BaseRepresentation
bin1010000011011…
…11111101100000
312212201011010202
411001233331200
5133043012142
612211444332
72042626556
oct501577540
9185634122
1084344672
1143679445
12242b66a8
1314621ab9
14b2b7bd6
157611032
hex506ff60

84344672 has 24 divisors (see below), whose sum is σ = 169918056. Its totient is φ = 41190912.

The previous prime is 84344671. The next prime is 84344693. The reversal of 84344672 is 27644348.

It is a super-2 number, since 2×843446722 = 14228047389575168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84344671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29273 + ... + 32024.

It is an arithmetic number, because the mean of its divisors is an integer number (7079919).

Almost surely, 284344672 is an apocalyptic number.

It is an amenable number.

84344672 is an abundant number, since it is smaller than the sum of its proper divisors (85573384).

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

84344672 is a wasteful number, since it uses less digits than its factorization.

84344672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61350 (or 61342 counting only the distinct ones).

The product of its digits is 129024, while the sum is 38.

The square root of 84344672 is about 9183.9355398435. The cubic root of 84344672 is about 438.5501035543.

The spelling of 84344672 in words is "eighty-four million, three hundred forty-four thousand, six hundred seventy-two".

Divisors: 1 2 4 8 16 32 43 86 172 344 688 1376 61297 122594 245188 490376 980752 1961504 2635771 5271542 10543084 21086168 42172336 84344672