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30916254 = 2316273167
BaseRepresentation
bin111010111101…
…1111010011110
32011011201010110
41311323322132
530403310004
63022350450
7523532565
oct165737236
964151113
1030916254
11164a6926
12a42b426
136536055
14416abdc
152aaa589
hex1d7be9e

30916254 has 16 divisors (see below), whose sum is σ = 61890048. Its totient is φ = 10295832.

The previous prime is 30916243. The next prime is 30916261. The reversal of 30916254 is 45261903.

It is a super-2 number, since 2×309162542 = 1911629522785032, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8179 + ... + 11345.

It is an arithmetic number, because the mean of its divisors is an integer number (3868128).

Almost surely, 230916254 is an apocalyptic number.

30916254 is an abundant number, since it is smaller than the sum of its proper divisors (30973794).

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

30916254 is a wasteful number, since it uses less digits than its factorization.

30916254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4799.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 30916254 is about 5560.2386639424. The cubic root of 30916254 is about 313.8549304857.

The spelling of 30916254 in words is "thirty million, nine hundred sixteen thousand, two hundred fifty-four".

Divisors: 1 2 3 6 1627 3167 3254 4881 6334 9501 9762 19002 5152709 10305418 15458127 30916254