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185230764 = 22327172469
BaseRepresentation
bin10110000101001…
…10010110101100
3110220112200211200
423002212112230
5334404341024
630214045500
74406302245
oct1302462654
9426480750
10185230764
1195615684
1252049890
132c4b5a04
141a859ccc
15113dd2c9
hexb0a65ac

185230764 has 36 divisors (see below), whose sum is σ = 474823440. Its totient is φ = 60873120.

The previous prime is 185230757. The next prime is 185230777. The reversal of 185230764 is 467032581.

185230764 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33679 + ... + 38790.

It is an arithmetic number, because the mean of its divisors is an integer number (13189540).

Almost surely, 2185230764 is an apocalyptic number.

It is an amenable number.

185230764 is an abundant number, since it is smaller than the sum of its proper divisors (289592676).

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

185230764 is a wasteful number, since it uses less digits than its factorization.

185230764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72550 (or 72545 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 185230764 is about 13609.9509183538. The cubic root of 185230764 is about 570.0387415958.

The spelling of 185230764 in words is "one hundred eighty-five million, two hundred thirty thousand, seven hundred sixty-four".

Divisors: 1 2 3 4 6 9 12 18 36 71 142 213 284 426 639 852 1278 2556 72469 144938 217407 289876 434814 652221 869628 1304442 2608884 5145299 10290598 15435897 20581196 30871794 46307691 61743588 92615382 185230764