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168035157 = 32171098269
BaseRepresentation
bin10100000010000…
…00001101010101
3102201012001220100
422001000031111
5321004111112
624401324313
74110163263
oct1201001525
9381161810
10168035157
1186940334
1248336699
1328a74bb4
1418461433
15eb432dc
hexa040355

168035157 has 12 divisors (see below), whose sum is σ = 256995180. Its totient is φ = 105433728.

The previous prime is 168035143. The next prime is 168035177. The reversal of 168035157 is 751530861.

It can be written as a sum of positive squares in 2 ways, for example, as 69906321 + 98128836 = 8361^2 + 9906^2 .

It is not a de Polignac number, because 168035157 - 28 = 168034901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168035117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 548982 + ... + 549287.

It is an arithmetic number, because the mean of its divisors is an integer number (21416265).

Almost surely, 2168035157 is an apocalyptic number.

168035157 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

168035157 is a deficient number, since it is larger than the sum of its proper divisors (88960023).

168035157 is a wasteful number, since it uses less digits than its factorization.

168035157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098292 (or 1098289 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 168035157 is about 12962.8375365890. The cubic root of 168035157 is about 551.8233228683.

The spelling of 168035157 in words is "one hundred sixty-eight million, thirty-five thousand, one hundred fifty-seven".

Divisors: 1 3 9 17 51 153 1098269 3294807 9884421 18670573 56011719 168035157