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163214868 = 22313601239
BaseRepresentation
bin10011011101001…
…11011000010100
3102101010011201010
421232213120110
5313240333433
624110132220
74021206045
oct1156473024
9371104633
10163214868
1184148823
12467b1070
1327a77b5b
14179688cc
15e4dee63
hex9ba7614

163214868 has 12 divisors (see below), whose sum is σ = 380834720. Its totient is φ = 54404952.

The previous prime is 163214851. The next prime is 163214893. The reversal of 163214868 is 868412361.

163214868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6800608 + ... + 6800631.

Almost surely, 2163214868 is an apocalyptic number.

It is an amenable number.

163214868 is an abundant number, since it is smaller than the sum of its proper divisors (217619852).

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

163214868 is a wasteful number, since it uses less digits than its factorization.

163214868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13601246 (or 13601244 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 163214868 is about 12775.5574438065. The cubic root of 163214868 is about 546.4954779928.

The spelling of 163214868 in words is "one hundred sixty-three million, two hundred fourteen thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 13601239 27202478 40803717 54404956 81607434 163214868