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161314262 = 280657131
BaseRepresentation
bin10011001110101…
…11010111010110
3102020112121120022
421213113113112
5312244024022
624001305142
73666101654
oct1147272726
9366477508
10161314262
118306a87a
12460351b2
1327560a35
14175d1dd4
15e266c42
hex99d75d6

161314262 has 4 divisors (see below), whose sum is σ = 241971396. Its totient is φ = 80657130.

The previous prime is 161314261. The next prime is 161314289. The reversal of 161314262 is 262413161.

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

It is a super-2 number, since 2×1613142622 = 52044582249209288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161314261) 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 as a sum of consecutive naturals, namely, 40328564 + ... + 40328567.

It is an arithmetic number, because the mean of its divisors is an integer number (60492849).

Almost surely, 2161314262 is an apocalyptic number.

161314262 is a deficient number, since it is larger than the sum of its proper divisors (80657134).

161314262 is an equidigital number, since it uses as much as digits as its factorization.

161314262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80657133.

The product of its digits is 1728, while the sum is 26.

The square root of 161314262 is about 12700.9551609318. The cubic root of 161314262 is about 544.3659118189.

The spelling of 161314262 in words is "one hundred sixty-one million, three hundred fourteen thousand, two hundred sixty-two".

Divisors: 1 2 80657131 161314262