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160098409 = 126532
BaseRepresentation
bin10011000101011…
…10100001101001
3102011020211201201
421202232201221
5311441122114
623515244201
73652546132
oct1142564151
9364224651
10160098409
118240a339
1245749661
13272264b3
1417396c89
15e0c6874
hex98ae869

160098409 has 3 divisors (see below), whose sum is σ = 160111063. Its totient is φ = 160085756.

The previous prime is 160098383. The next prime is 160098413. The reversal of 160098409 is 904890061.

The square root of 160098409 is 12653.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 904890061 = 2573520973.

It can be written as a sum of positive squares in only one way, i.e., 632025 + 159466384 = 795^2 + 12628^2 .

It is not a de Polignac number, because 160098409 - 29 = 160097897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160098439) by changing a digit.

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 in 2 ways as a sum of consecutive naturals, for example, 6327 + ... + 18979.

Almost surely, 2160098409 is an apocalyptic number.

160098409 is the 12653-rd square number.

160098409 is the 6327-th centered octagonal number.

It is an amenable number.

160098409 is a deficient number, since it is larger than the sum of its proper divisors (12654).

160098409 is an frugal number, since it uses more digits than its factorization.

160098409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25306 (or 12653 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The cubic root of 160098409 is about 542.9948018093.

The spelling of 160098409 in words is "one hundred sixty million, ninety-eight thousand, four hundred nine".

Divisors: 1 12653 160098409