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30906324 = 22325914551
BaseRepresentation
bin111010111100…
…1011111010100
32011011012111200
41311321133110
530403000244
63022232500
7523461621
oct165713724
964135450
1030906324
111649a419
12a425730
136531687
144167348
152aa7669
hex1d797d4

30906324 has 36 divisors (see below), whose sum is σ = 79453920. Its totient is φ = 10126800.

The previous prime is 30906311. The next prime is 30906329. The reversal of 30906324 is 42360903.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30906329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5152 + ... + 9399.

Almost surely, 230906324 is an apocalyptic number.

It is an amenable number.

30906324 is an abundant number, since it is smaller than the sum of its proper divisors (48547596).

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

30906324 is a wasteful number, since it uses less digits than its factorization.

30906324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14620 (or 14615 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 30906324 is about 5559.3456449478. The cubic root of 30906324 is about 313.8213245041.

The spelling of 30906324 in words is "thirty million, nine hundred six thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 9 12 18 36 59 118 177 236 354 531 708 1062 2124 14551 29102 43653 58204 87306 130959 174612 261918 523836 858509 1717018 2575527 3434036 5151054 7726581 10302108 15453162 30906324