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166204284 = 22313850357
BaseRepresentation
bin10011110100000…
…01001101111100
3102120202001102020
421322001031330
5320022014114
624254200140
74055466411
oct1172011574
9376661366
10166204284
11858aa814
12477b3050
132858373c
1418106108
15e8d0aa9
hex9e8137c

166204284 has 12 divisors (see below), whose sum is σ = 387810024. Its totient is φ = 55401424.

The previous prime is 166204271. The next prime is 166204289. The reversal of 166204284 is 482402661.

166204284 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 not an unprimeable number, because it can be changed into a prime (166204289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6925167 + ... + 6925190.

It is an arithmetic number, because the mean of its divisors is an integer number (32317502).

Almost surely, 2166204284 is an apocalyptic number.

It is an amenable number.

166204284 is an abundant number, since it is smaller than the sum of its proper divisors (221605740).

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

166204284 is a wasteful number, since it uses less digits than its factorization.

166204284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13850364 (or 13850362 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 166204284 is about 12892.0240458975. The cubic root of 166204284 is about 549.8118188172.

The spelling of 166204284 in words is "one hundred sixty-six million, two hundred four thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 12 13850357 27700714 41551071 55401428 83102142 166204284