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82940184 = 23328391373
BaseRepresentation
bin1001111000110…
…01000100011000
312210001210112200
410330121010120
5132213041214
612121410200
72024660055
oct474310430
9183053480
1082940184
11428aa208
1223939960
131424c742
14b03002c
157434d09
hex4f19118

82940184 has 48 divisors (see below), whose sum is σ = 225061200. Its totient is φ = 27593664.

The previous prime is 82940183. The next prime is 82940213. The reversal of 82940184 is 48104928.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82940183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59722 + ... + 61094.

It is an arithmetic number, because the mean of its divisors is an integer number (4688775).

Almost surely, 282940184 is an apocalyptic number.

It is an amenable number.

82940184 is an abundant number, since it is smaller than the sum of its proper divisors (142121016).

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

82940184 is a wasteful number, since it uses less digits than its factorization.

82940184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224 (or 2217 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 82940184 is about 9107.1501579803. The cubic root of 82940184 is about 436.1022541639.

The spelling of 82940184 in words is "eighty-two million, nine hundred forty thousand, one hundred eighty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 839 1373 1678 2517 2746 3356 4119 5034 5492 6712 7551 8238 10068 10984 12357 15102 16476 20136 24714 30204 32952 49428 60408 98856 1151947 2303894 3455841 4607788 6911682 9215576 10367523 13823364 20735046 27646728 41470092 82940184