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23121296 = 2411131371
BaseRepresentation
bin101100000110…
…0110110010000
31121111200110022
41120030312100
521404340141
62143323012
7400346012
oct130146620
947450408
1023121296
1112062410
1278b0468
134a37053
1430dc1b2
15206ab4b
hex160cd90

23121296 has 20 divisors (see below), whose sum is σ = 48870384. Its totient is φ = 10509600.

The previous prime is 23121283. The next prime is 23121331. The reversal of 23121296 is 69212132.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65510 + ... + 65861.

Almost surely, 223121296 is an apocalyptic number.

It is an amenable number.

23121296 is an abundant number, since it is smaller than the sum of its proper divisors (25749088).

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

23121296 is a wasteful number, since it uses less digits than its factorization.

23121296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131390 (or 131384 counting only the distinct ones).

The product of its digits is 1296, while the sum is 26.

The square root of 23121296 is about 4808.4608764136. The cubic root of 23121296 is about 284.8857488084.

The spelling of 23121296 in words is "twenty-three million, one hundred twenty-one thousand, two hundred ninety-six".

Divisors: 1 2 4 8 11 16 22 44 88 176 131371 262742 525484 1050968 1445081 2101936 2890162 5780324 11560648 23121296