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168157052 = 22752311483
BaseRepresentation
bin10100000010111…
…01111101111100
3102201102021002222
422001131331330
5321022011202
624404104512
74111211540
oct1201357574
9381367088
10168157052
1186a13978
1248395138
1328ab851b
1418493a20
15eb694a2
hexa05df7c

168157052 has 24 divisors (see below), whose sum is σ = 336986496. Its totient is φ = 71923248.

The previous prime is 168157009. The next prime is 168157061. The reversal of 168157052 is 250751861.

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, 8903 + ... + 20385.

It is an arithmetic number, because the mean of its divisors is an integer number (14041104).

Almost surely, 2168157052 is an apocalyptic number.

It is an amenable number.

168157052 is an abundant number, since it is smaller than the sum of its proper divisors (168829444).

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

168157052 is a wasteful number, since it uses less digits than its factorization.

168157052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12017 (or 12015 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 35.

The square root of 168157052 is about 12967.5383940052. The cubic root of 168157052 is about 551.9567240105.

The spelling of 168157052 in words is "one hundred sixty-eight million, one hundred fifty-seven thousand, fifty-two".

Divisors: 1 2 4 7 14 28 523 1046 2092 3661 7322 11483 14644 22966 45932 80381 160762 321524 6005609 12011218 24022436 42039263 84078526 168157052