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30525507 = 3214392357
BaseRepresentation
bin111010001110…
…0100001000011
32010102212010100
41310130201003
530303304012
63010133443
7520314435
oct164344103
963385110
1030525507
111625a2a1
12a281283
13642a23c
1440a8655
152a2e8dc
hex1d1c843

30525507 has 12 divisors (see below), whose sum is σ = 44141760. Its totient is φ = 20327568.

The previous prime is 30525503. The next prime is 30525511. The reversal of 30525507 is 70552503.

It is an interprime number because it is at equal distance from previous prime (30525503) and next prime (30525511).

It is not a de Polignac number, because 30525507 - 22 = 30525503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30525503) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 11773 + ... + 14129.

It is an arithmetic number, because the mean of its divisors is an integer number (3678480).

Almost surely, 230525507 is an apocalyptic number.

30525507 is a deficient number, since it is larger than the sum of its proper divisors (13616253).

30525507 is a wasteful number, since it uses less digits than its factorization.

30525507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3802 (or 3799 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 27.

The square root of 30525507 is about 5524.9893212566. The cubic root of 30525507 is about 312.5270615498.

The spelling of 30525507 in words is "thirty million, five hundred twenty-five thousand, five hundred seven".

Divisors: 1 3 9 1439 2357 4317 7071 12951 21213 3391723 10175169 30525507