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161353085 = 567481651
BaseRepresentation
bin10011001111000…
…00110101111101
3102020121120211012
421213200311331
5312301244320
624002205005
73666323105
oct1147406575
9366546735
10161353085
1183096a63
1246053765
13275755ca
1417602205
15e2734c5
hex99e0d7d

161353085 has 8 divisors (see below), whose sum is σ = 196514016. Its totient is φ = 127155600.

The previous prime is 161353067. The next prime is 161353099. The reversal of 161353085 is 580353161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-161353085 is a prime.

It is a Duffinian number.

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, 240491 + ... + 241160.

It is an arithmetic number, because the mean of its divisors is an integer number (24564252).

Almost surely, 2161353085 is an apocalyptic number.

It is an amenable number.

161353085 is a deficient number, since it is larger than the sum of its proper divisors (35160931).

161353085 is an equidigital number, since it uses as much as digits as its factorization.

161353085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481723.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 161353085 is about 12702.4834186076. The cubic root of 161353085 is about 544.4095785978.

The spelling of 161353085 in words is "one hundred sixty-one million, three hundred fifty-three thousand, eighty-five".

Divisors: 1 5 67 335 481651 2408255 32270617 161353085