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13111074 = 2322925117
BaseRepresentation
bin110010000000…
…111100100010
3220200010000100
4302000330202
511324023244
61145003230
7216304464
oct62007442
926603010
1013111074
1174455a9
124483516
132940942
141a54134
15123eb69
hexc80f22

13111074 has 24 divisors (see below), whose sum is σ = 29388060. Its totient is φ = 4219488.

The previous prime is 13111067. The next prime is 13111079. The reversal of 13111074 is 47011131.

It can be written as a sum of positive squares in 2 ways, for example, as 13068225 + 42849 = 3615^2 + 207^2 .

It is a super-2 number, since 2×131110742 = 343800522866952, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13111079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12037 + ... + 13080.

Almost surely, 213111074 is an apocalyptic number.

13111074 is an abundant number, since it is smaller than the sum of its proper divisors (16276986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13111074 is a wasteful number, since it uses less digits than its factorization.

13111074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25154 (or 25151 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 13111074 is about 3620.9217058644. The cubic root of 13111074 is about 235.8012426906.

The spelling of 13111074 in words is "thirteen million, one hundred eleven thousand, seventy-four".

Divisors: 1 2 3 6 9 18 29 58 87 174 261 522 25117 50234 75351 150702 226053 452106 728393 1456786 2185179 4370358 6555537 13111074