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161352914 = 280676457
BaseRepresentation
bin10011001111000…
…00110011010010
3102020121120120212
421213200303102
5312301243124
624002204122
73666322442
oct1147406322
9366546525
10161352914
1183096918
1246053642
13275754c8
1417602122
15e27340e
hex99e0cd2

161352914 has 4 divisors (see below), whose sum is σ = 242029374. Its totient is φ = 80676456.

The previous prime is 161352907. The next prime is 161352929. The reversal of 161352914 is 419253161.

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

It can be written as a sum of positive squares in only one way, i.e., 123321025 + 38031889 = 11105^2 + 6167^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 40338227 + ... + 40338230.

Almost surely, 2161352914 is an apocalyptic number.

161352914 is a deficient number, since it is larger than the sum of its proper divisors (80676460).

161352914 is an equidigital number, since it uses as much as digits as its factorization.

161352914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80676459.

The product of its digits is 6480, while the sum is 32.

The square root of 161352914 is about 12702.4766876385. The cubic root of 161352914 is about 544.4093862782.

The spelling of 161352914 in words is "one hundred sixty-one million, three hundred fifty-two thousand, nine hundred fourteen".

Divisors: 1 2 80676457 161352914