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30907364 = 2244917209
BaseRepresentation
bin111010111100…
…1101111100100
32011011020221012
41311321233210
530403013424
63022241352
7523464635
oct165715744
964136835
1030907364
11164a0184
12a426258
136531ca7
14416788c
152aa7b0e
hex1d79be4

30907364 has 12 divisors (see below), whose sum is σ = 54211500. Its totient is φ = 15418368.

The previous prime is 30907363. The next prime is 30907369. The reversal of 30907364 is 46370903.

It can be written as a sum of positive squares in 2 ways, for example, as 16467364 + 14440000 = 4058^2 + 3800^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30907364.

It is not an unprimeable number, because it can be changed into a prime (30907363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6809 + ... + 10400.

It is an arithmetic number, because the mean of its divisors is an integer number (4517625).

Almost surely, 230907364 is an apocalyptic number.

It is an amenable number.

30907364 is a deficient number, since it is larger than the sum of its proper divisors (23304136).

30907364 is a wasteful number, since it uses less digits than its factorization.

30907364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17662 (or 17660 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 30907364 is about 5559.4391803490. The cubic root of 30907364 is about 313.8248445012.

The spelling of 30907364 in words is "thirty million, nine hundred seven thousand, three hundred sixty-four".

Divisors: 1 2 4 449 898 1796 17209 34418 68836 7726841 15453682 30907364