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164729212 = 2241182303
BaseRepresentation
bin10011101000110…
…01000101111100
3102110222002222221
421310121011330
5314132313322
624202415124
74040114044
oct1164310574
9373862887
10164729212
1184a9254a
12472014a4
132818820b
1417c40724
15e6dd9c7
hex9d1917c

164729212 has 6 divisors (see below), whose sum is σ = 288276128. Its totient is φ = 82364604.

The previous prime is 164729209. The next prime is 164729231. The reversal of 164729212 is 212927461.

164729212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1647292122 = 54271426572281888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20591148 + ... + 20591155.

Almost surely, 2164729212 is an apocalyptic number.

It is an amenable number.

164729212 is a deficient number, since it is larger than the sum of its proper divisors (123546916).

164729212 is a wasteful number, since it uses less digits than its factorization.

164729212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41182307 (or 41182305 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 164729212 is about 12834.6878419383. The cubic root of 164729212 is about 548.1804465518.

The spelling of 164729212 in words is "one hundred sixty-four million, seven hundred twenty-nine thousand, two hundred twelve".

Divisors: 1 2 4 41182303 82364606 164729212