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161264343 = 3199729167
BaseRepresentation
bin10011001110010…
…11001011010111
3102020110002002110
421213023023113
5312240424333
624000242103
73665503302
oct1147131327
9366402073
10161264343
1183036319
1246010333
13275440b6
14175bbb39
15e257063
hex99cb2d7

161264343 has 16 divisors (see below), whose sum is σ = 228677120. Its totient is φ = 100797696.

The previous prime is 161264333. The next prime is 161264347. The reversal of 161264343 is 343462161.

It is not a de Polignac number, because 161264343 - 29 = 161263831 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 161264343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161264347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9055 + ... + 20112.

It is an arithmetic number, because the mean of its divisors is an integer number (14292320).

Almost surely, 2161264343 is an apocalyptic number.

161264343 is a deficient number, since it is larger than the sum of its proper divisors (67412777).

161264343 is a wasteful number, since it uses less digits than its factorization.

161264343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29286.

The product of its digits is 10368, while the sum is 30.

The square root of 161264343 is about 12698.9898417158. The cubic root of 161264343 is about 544.3097543428.

The spelling of 161264343 in words is "one hundred sixty-one million, two hundred sixty-four thousand, three hundred forty-three".

Divisors: 1 3 19 57 97 291 1843 5529 29167 87501 554173 1662519 2829199 8487597 53754781 161264343