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11272069 = 31336013
BaseRepresentation
bin101010111111…
…111110000101
3210012200101001
4222333332011
510341201234
61041333301
7164545114
oct52777605
923180331
1011272069
1163a9966
123937231
132448883
1416d5c7b
15ec9d14
hexabff85

11272069 has 4 divisors (see below), whose sum is σ = 11308396. Its totient is φ = 11235744.

The previous prime is 11272049. The next prime is 11272091. The reversal of 11272069 is 96027211.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1723969 + 9548100 = 1313^2 + 3090^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11272069 is a prime.

It is a super-2 number, since 2×112720692 = 254119079081522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11272049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17694 + ... + 18319.

It is an arithmetic number, because the mean of its divisors is an integer number (2827099).

Almost surely, 211272069 is an apocalyptic number.

It is an amenable number.

11272069 is a deficient number, since it is larger than the sum of its proper divisors (36327).

11272069 is an equidigital number, since it uses as much as digits as its factorization.

11272069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36326.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 11272069 is about 3357.3902066933. The cubic root of 11272069 is about 224.2166603224.

The spelling of 11272069 in words is "eleven million, two hundred seventy-two thousand, sixty-nine".

Divisors: 1 313 36013 11272069