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84250764 = 223213180023
BaseRepresentation
bin1010000010110…
…01000010001100
312212112101022200
411001121002030
5133032011024
612205441500
72042056023
oct501310214
9185471280
1084250764
1143614934
1224270290
13145bb130
14b2918ba
1575e32c9
hex505908c

84250764 has 36 divisors (see below), whose sum is σ = 229350576. Its totient is φ = 25923168.

The previous prime is 84250763. The next prime is 84250783. The reversal of 84250764 is 46705248.

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

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

It is not an unprimeable number, because it can be changed into a prime (84250763) 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, 89544 + ... + 90479.

Almost surely, 284250764 is an apocalyptic number.

It is an amenable number.

84250764 is an abundant number, since it is smaller than the sum of its proper divisors (145099812).

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

84250764 is a wasteful number, since it uses less digits than its factorization.

84250764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180046 (or 180041 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 84250764 is about 9178.8214929805. The cubic root of 84250764 is about 438.3872849044.

The spelling of 84250764 in words is "eighty-four million, two hundred fifty thousand, seven hundred sixty-four".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 468 180023 360046 540069 720092 1080138 1620207 2160276 2340299 3240414 4680598 6480828 7020897 9361196 14041794 21062691 28083588 42125382 84250764