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30079892 = 2235920947
BaseRepresentation
bin111001010111…
…1101110010100
32002121012212002
41302233232110
530200024032
62552414432
7513450323
oct162575624
962535762
1030079892
1115a85517
12a0a7418
13630246b
143dd00ba
152992862
hex1cafb94

30079892 has 12 divisors (see below), whose sum is σ = 52788960. Its totient is φ = 14997336.

The previous prime is 30079879. The next prime is 30079901. The reversal of 30079892 is 29897003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9038 + ... + 11909.

It is an arithmetic number, because the mean of its divisors is an integer number (4399080).

Almost surely, 230079892 is an apocalyptic number.

It is an amenable number.

30079892 is a deficient number, since it is larger than the sum of its proper divisors (22709068).

30079892 is a wasteful number, since it uses less digits than its factorization.

30079892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21310 (or 21308 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 30079892 is about 5484.5138344251. The cubic root of 30079892 is about 310.9988316868.

The spelling of 30079892 in words is "thirty million, seventy-nine thousand, eight hundred ninety-two".

Divisors: 1 2 4 359 718 1436 20947 41894 83788 7519973 15039946 30079892