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30504612 = 2232542051
BaseRepresentation
bin111010001011…
…1011010100100
32010101210110110
41310113122210
530302121422
63005453020
7520166505
oct164273244
963353413
1030504612
1116245626
12a271170
136420888
1440a0bac
152a2860c
hex1d176a4

30504612 has 12 divisors (see below), whose sum is σ = 71177456. Its totient is φ = 10168200.

The previous prime is 30504599. The next prime is 30504619. The reversal of 30504612 is 21640503.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (30504619) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1271014 + ... + 1271037.

Almost surely, 230504612 is an apocalyptic number.

It is an amenable number.

30504612 is an abundant number, since it is smaller than the sum of its proper divisors (40672844).

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

30504612 is a wasteful number, since it uses less digits than its factorization.

30504612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2542058 (or 2542056 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 30504612 is about 5523.0980436708. The cubic root of 30504612 is about 312.4557360239.

The spelling of 30504612 in words is "thirty million, five hundred four thousand, six hundred twelve".

Divisors: 1 2 3 4 6 12 2542051 5084102 7626153 10168204 15252306 30504612