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168965742 = 23112560087
BaseRepresentation
bin10100001001000…
…11011001101110
3102202221100102110
422010203121232
5321223400432
624433304450
74121120331
oct1204433156
9382840373
10168965742
1187416510
1248705126
132900c63a
1418624618
15ec78dcc
hexa12366e

168965742 has 16 divisors (see below), whose sum is σ = 368652672. Its totient is φ = 51201720.

The previous prime is 168965723. The next prime is 168965743. The reversal of 168965742 is 247569861.

168965742 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1689657422 = 57098843939221128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 168965691 and 168965700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168965743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1279978 + ... + 1280109.

It is an arithmetic number, because the mean of its divisors is an integer number (23040792).

Almost surely, 2168965742 is an apocalyptic number.

168965742 is an abundant number, since it is smaller than the sum of its proper divisors (199686930).

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

168965742 is a wasteful number, since it uses less digits than its factorization.

168965742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2560103.

The product of its digits is 725760, while the sum is 48.

The square root of 168965742 is about 12998.6823178351. The cubic root of 168965742 is about 552.8401209010.

The spelling of 168965742 in words is "one hundred sixty-eight million, nine hundred sixty-five thousand, seven hundred forty-two".

Divisors: 1 2 3 6 11 22 33 66 2560087 5120174 7680261 15360522 28160957 56321914 84482871 168965742