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30223164 = 2236737591
BaseRepresentation
bin111001101001…
…0101100111100
32002212111101110
41303102230330
530214120124
62555442020
7514615116
oct163225474
962774343
1030223164
1116073124
12a156310
13635273a
14402a3b6
1529c0029
hex1cd2b3c

30223164 has 24 divisors (see below), whose sum is σ = 71575168. Its totient is φ = 9923760.

The previous prime is 30223147. The next prime is 30223177. The reversal of 30223164 is 46132203.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 30223164.

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, 17992 + ... + 19599.

Almost surely, 230223164 is an apocalyptic number.

It is an amenable number.

30223164 is an abundant number, since it is smaller than the sum of its proper divisors (41352004).

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

30223164 is a wasteful number, since it uses less digits than its factorization.

30223164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37665 (or 37663 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 30223164 is about 5497.5598223212. The cubic root of 30223164 is about 311.4918173680.

Adding to 30223164 its reverse (46132203), we get a palindrome (76355367).

The spelling of 30223164 in words is "thirty million, two hundred twenty-three thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 12 67 134 201 268 402 804 37591 75182 112773 150364 225546 451092 2518597 5037194 7555791 10074388 15111582 30223164