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30916774 = 272937537
BaseRepresentation
bin111010111110…
…0000010100110
32011011201211201
41311330002212
530403314044
63022353114
7523534240
oct165740246
964151751
1030916774
11164a7259
12a42b79a
136536365
14416b090
152aaa7d4
hex1d7c0a6

30916774 has 16 divisors (see below), whose sum is σ = 53188128. Its totient is φ = 13203072.

The previous prime is 30916771. The next prime is 30916777. The reversal of 30916774 is 47761903.

It is an interprime number because it is at equal distance from previous prime (30916771) and next prime (30916777).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30916771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334 + ... + 7870.

It is an arithmetic number, because the mean of its divisors is an integer number (3324258).

Almost surely, 230916774 is an apocalyptic number.

30916774 is a deficient number, since it is larger than the sum of its proper divisors (22271354).

30916774 is a wasteful number, since it uses less digits than its factorization.

30916774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7839.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 30916774 is about 5560.2854243285. The cubic root of 30916774 is about 313.8566901173.

The spelling of 30916774 in words is "thirty million, nine hundred sixteen thousand, seven hundred seventy-four".

Divisors: 1 2 7 14 293 586 2051 4102 7537 15074 52759 105518 2208341 4416682 15458387 30916774