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30513032 = 2311346739
BaseRepresentation
bin111010001100…
…1011110001000
32010102020000022
41310121132020
530302404112
63010000012
7520233164
oct164313610
963366008
1030513032
1116250990
12a276008
136424664
1440a3ca4
152a2ad72
hex1d19788

30513032 has 16 divisors (see below), whose sum is σ = 62413200. Its totient is φ = 13869520.

The previous prime is 30512987. The next prime is 30513047. The reversal of 30513032 is 23031503.

It is a self number, because there is not a number n which added to its sum of digits gives 30513032.

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, 173282 + ... + 173457.

It is an arithmetic number, because the mean of its divisors is an integer number (3900825).

Almost surely, 230513032 is an apocalyptic number.

It is an amenable number.

30513032 is an abundant number, since it is smaller than the sum of its proper divisors (31900168).

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

30513032 is a wasteful number, since it uses less digits than its factorization.

30513032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346756 (or 346752 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 30513032 is about 5523.8602444305. The cubic root of 30513032 is about 312.4844817894.

Adding to 30513032 its reverse (23031503), we get a palindrome (53544535).

The spelling of 30513032 in words is "thirty million, five hundred thirteen thousand, thirty-two".

Divisors: 1 2 4 8 11 22 44 88 346739 693478 1386956 2773912 3814129 7628258 15256516 30513032