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161412883 = 241669763
BaseRepresentation
bin10011001111011…
…11011100010011
3102020201121211221
421213233130103
5312310203013
624003345511
73666662332
oct1147573423
9366647757
10161412883
1183127985
1246082297
13275968a8
1417619d19
15e28608d
hex99ef713

161412883 has 4 divisors (see below), whose sum is σ = 162082888. Its totient is φ = 160742880.

The previous prime is 161412871. The next prime is 161412887. The reversal of 161412883 is 388214161.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 161412883 - 25 = 161412851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161412887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334641 + ... + 335122.

It is an arithmetic number, because the mean of its divisors is an integer number (40520722).

Almost surely, 2161412883 is an apocalyptic number.

161412883 is a deficient number, since it is larger than the sum of its proper divisors (670005).

161412883 is an equidigital number, since it uses as much as digits as its factorization.

161412883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670004.

The product of its digits is 9216, while the sum is 34.

The square root of 161412883 is about 12704.8369922640. The cubic root of 161412883 is about 544.4768236362.

The spelling of 161412883 in words is "one hundred sixty-one million, four hundred twelve thousand, eight hundred eighty-three".

Divisors: 1 241 669763 161412883