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168055158 = 23235412251
BaseRepresentation
bin10100000010001…
…01000101110110
3102201020002100010
422001011011312
5321010231113
624402001050
74110305505
oct1201050566
9381202303
10168055158
1186954367
1248346186
1328a8102b
141846883c
15eb491c3
hexa045176

168055158 has 32 divisors (see below), whose sum is σ = 351528192. Its totient is φ = 53460000.

The previous prime is 168055093. The next prime is 168055169. The reversal of 168055158 is 851550861.

It is a super-2 number, since 2×1680551582 = 56485072260809928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73533 + ... + 75783.

It is an arithmetic number, because the mean of its divisors is an integer number (10985256).

Almost surely, 2168055158 is an apocalyptic number.

168055158 is an abundant number, since it is smaller than the sum of its proper divisors (183473034).

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

168055158 is a wasteful number, since it uses less digits than its factorization.

168055158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2820.

The product of its (nonzero) digits is 48000, while the sum is 39.

The square root of 168055158 is about 12963.6089882409. The cubic root of 168055158 is about 551.8452162637.

The spelling of 168055158 in words is "one hundred sixty-eight million, fifty-five thousand, one hundred fifty-eight".

Divisors: 1 2 3 6 23 46 69 138 541 1082 1623 2251 3246 4502 6753 12443 13506 24886 37329 51773 74658 103546 155319 310638 1217791 2435582 3653373 7306746 28009193 56018386 84027579 168055158