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30886196 = 22116710477
BaseRepresentation
bin111010111010…
…0100100110100
32011010011220012
41311310210310
530401324241
63021555352
7523346135
oct165644464
964104805
1030886196
1116486290
12a415b58
136525473
14415dc8c
152aa16eb
hex1d74934

30886196 has 24 divisors (see below), whose sum is σ = 59850336. Its totient is φ = 13828320.

The previous prime is 30886187. The next prime is 30886201. The reversal of 30886196 is 69168803.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 2291 + ... + 8186.

It is an arithmetic number, because the mean of its divisors is an integer number (2493764).

Almost surely, 230886196 is an apocalyptic number.

It is an amenable number.

30886196 is a deficient number, since it is larger than the sum of its proper divisors (28964140).

30886196 is a wasteful number, since it uses less digits than its factorization.

30886196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10559 (or 10557 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 30886196 is about 5557.5350651165. The cubic root of 30886196 is about 313.7531834621.

The spelling of 30886196 in words is "thirty million, eight hundred eighty-six thousand, one hundred ninety-six".

Divisors: 1 2 4 11 22 44 67 134 268 737 1474 2948 10477 20954 41908 115247 230494 460988 701959 1403918 2807836 7721549 15443098 30886196