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168169024 = 2616212
BaseRepresentation
bin10100000011000…
…00111001000000
3102201102212112101
422001200321000
5321022402044
624404240144
74111261462
oct1201407100
9381385471
10168169024
1186a21971
12483a0054
1328ac0aca
1418498132
15eb6ccd4
hexa060e40

168169024 has 21 divisors (see below), whose sum is σ = 333916401. Its totient is φ = 84032640.

The previous prime is 168169013. The next prime is 168169037. The reversal of 168169024 is 420961861.

It is a happy number.

The square root of 168169024 is 12968.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 129231424 + 38937600 = 11368^2 + 6240^2 .

It is a super-2 number, since 2×1681690242 = 56561641266225152, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 102934 + ... + 104554.

It is an arithmetic number, because the mean of its divisors is an integer number (15900781).

Almost surely, 2168169024 is an apocalyptic number.

168169024 is the 12968-th square number.

It is an amenable number.

168169024 is a deficient number, since it is larger than the sum of its proper divisors (165747377).

168169024 is an frugal number, since it uses more digits than its factorization.

168169024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3254 (or 1623 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The cubic root of 168169024 is about 551.9698226169.

Multiplying 168169024 by its product of nonzero digits (20736), we get a square (3487152881664 = 18673922).

The spelling of 168169024 in words is "one hundred sixty-eight million, one hundred sixty-nine thousand, twenty-four".

Divisors: 1 2 4 8 16 32 64 1621 3242 6484 12968 25936 51872 103744 2627641 5255282 10510564 21021128 42042256 84084512 168169024