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168426307 = 7611313011
BaseRepresentation
bin10100000100111…
…11101101000011
3102201220221110101
422002133231003
5321104120212
624413543231
74113412540
oct1202375503
9381827411
10168426307
11870881a5
12484a4b17
1328b80c4a
1418523bc7
15ebbe157
hexa09fb43

168426307 has 16 divisors (see below), whose sum is σ = 197201664. Its totient is φ = 140868000.

The previous prime is 168426299. The next prime is 168426311. The reversal of 168426307 is 703624861.

168426307 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 168426307 - 23 = 168426299 is a prime.

It is a super-3 number, since 3×1684263073 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168426367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54432 + ... + 57442.

It is an arithmetic number, because the mean of its divisors is an integer number (12325104).

Almost surely, 2168426307 is an apocalyptic number.

168426307 is a deficient number, since it is larger than the sum of its proper divisors (28775357).

168426307 is a wasteful number, since it uses less digits than its factorization.

168426307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3210.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 168426307 is about 12977.9161270213. The cubic root of 168426307 is about 552.2511667234.

The spelling of 168426307 in words is "one hundred sixty-eight million, four hundred twenty-six thousand, three hundred seven".

Divisors: 1 7 61 131 427 917 3011 7991 21077 55937 183671 394441 1285697 2761087 24060901 168426307