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30772304 = 244161769
BaseRepresentation
bin111010101100…
…0110001010000
32010220101122222
41311120301100
530334203204
63015320212
7522363113
oct165306120
963811588
1030772304
1116408762
12a380068
1364b5684
14413057a
152a7cabe
hex1d58c50

30772304 has 40 divisors (see below), whose sum is σ = 62157480. Its totient is φ = 14745600.

The previous prime is 30772289. The next prime is 30772319. The reversal of 30772304 is 40327703.

It is an interprime number because it is at equal distance from previous prime (30772289) and next prime (30772319).

It can be written as a sum of positive squares in 4 ways, for example, as 1827904 + 28944400 = 1352^2 + 5380^2 .

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 39632 + ... + 40400.

It is an arithmetic number, because the mean of its divisors is an integer number (1553937).

Almost surely, 230772304 is an apocalyptic number.

It is an amenable number.

30772304 is an abundant number, since it is smaller than the sum of its proper divisors (31385176).

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

30772304 is a wasteful number, since it uses less digits than its factorization.

30772304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879 (or 873 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 26.

The square root of 30772304 is about 5547.2789726135. The cubic root of 30772304 is about 313.3670563774.

The spelling of 30772304 in words is "thirty million, seven hundred seventy-two thousand, three hundred four".

Divisors: 1 2 4 8 16 41 61 82 122 164 244 328 488 656 769 976 1538 2501 3076 5002 6152 10004 12304 20008 31529 40016 46909 63058 93818 126116 187636 252232 375272 504464 750544 1923269 3846538 7693076 15386152 30772304