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84112074 = 2334137991
BaseRepresentation
bin1010000001101…
…11001011001010
312212021100002000
411000313023022
5133013041244
612202451430
72040640464
oct500671312
9185240060
1084112074
114352a712
1224203b76
131456cc77
14b257134
1575b7169
hex50372ca

84112074 has 32 divisors (see below), whose sum is σ = 191479680. Its totient is φ = 27352800.

The previous prime is 84112051. The next prime is 84112079. The reversal of 84112074 is 47021148.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84112079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16782 + ... + 21209.

It is an arithmetic number, because the mean of its divisors is an integer number (5983740).

Almost surely, 284112074 is an apocalyptic number.

84112074 is an abundant number, since it is smaller than the sum of its proper divisors (107367606).

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

84112074 is a wasteful number, since it uses less digits than its factorization.

84112074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38043 (or 38037 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 84112074 is about 9171.2634898361. The cubic root of 84112074 is about 438.1466013296.

The spelling of 84112074 in words is "eighty-four million, one hundred twelve thousand, seventy-four".

Divisors: 1 2 3 6 9 18 27 41 54 82 123 246 369 738 1107 2214 37991 75982 113973 227946 341919 683838 1025757 1557631 2051514 3115262 4672893 9345786 14018679 28037358 42056037 84112074