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84227292 = 22323077621
BaseRepresentation
bin1010000010100…
…11010011011100
312212111012010100
411001103103130
5133030233132
612205141100
72041630422
oct501232334
9185435110
1084227292
11435a9236
122425a790
13145b0546
14b287112
1575db37c
hex50534dc

84227292 has 36 divisors (see below), whose sum is σ = 213629416. Its totient is φ = 27980640.

The previous prime is 84227263. The next prime is 84227293. The reversal of 84227292 is 29272248.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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 (84227293) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7242 + ... + 14862.

Almost surely, 284227292 is an apocalyptic number.

It is an amenable number.

84227292 is an abundant number, since it is smaller than the sum of its proper divisors (129402124).

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

84227292 is a wasteful number, since it uses less digits than its factorization.

84227292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7938 (or 7933 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 84227292 is about 9177.5428083992. The cubic root of 84227292 is about 438.3465700132.

The spelling of 84227292 in words is "eighty-four million, two hundred twenty-seven thousand, two hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 18 36 307 614 921 1228 1842 2763 3684 5526 7621 11052 15242 22863 30484 45726 68589 91452 137178 274356 2339647 4679294 7018941 9358588 14037882 21056823 28075764 42113646 84227292