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12269131 = 72516983
BaseRepresentation
bin101110110011…
…011001001011
3212002100002021
4232303121023
511120103011
61114545311
7206200030
oct56633113
925070067
1012269131
116a1aa86
124138237
132707654
1418b5387
151125471
hexbb364b

12269131 has 8 divisors (see below), whose sum is σ = 14079744. Its totient is φ = 10473000.

The previous prime is 12269093. The next prime is 12269137. The reversal of 12269131 is 13196221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12269131 is a prime.

It is a super-2 number, since 2×122691312 = 301063150990322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12269096 and 12269105.

It is not an unprimeable number, because it can be changed into a prime (12269137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1735 + ... + 5248.

It is an arithmetic number, because the mean of its divisors is an integer number (1759968).

Almost surely, 212269131 is an apocalyptic number.

12269131 is a deficient number, since it is larger than the sum of its proper divisors (1810613).

12269131 is an equidigital number, since it uses as much as digits as its factorization.

12269131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7241.

The product of its digits is 648, while the sum is 25.

The square root of 12269131 is about 3502.7319337911. The cubic root of 12269131 is about 230.6417552572.

The spelling of 12269131 in words is "twelve million, two hundred sixty-nine thousand, one hundred thirty-one".

Divisors: 1 7 251 1757 6983 48881 1752733 12269131