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23026939 = 138321341
BaseRepresentation
bin101011111010…
…1110011111011
31121022220000121
41113311303323
521343330224
62141314111
7366503635
oct127656373
947286017
1023026939
1111aa8531
127865937
134a03110
1430b5a55
15204cbe4
hex15f5cfb

23026939 has 8 divisors (see below), whose sum is σ = 25098192. Its totient is φ = 20998560.

The previous prime is 23026921. The next prime is 23026981. The reversal of 23026939 is 93962032.

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

It is a cyclic number.

It is not a de Polignac number, because 23026939 - 27 = 23026811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23026909) 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, 9592 + ... + 11749.

It is an arithmetic number, because the mean of its divisors is an integer number (3137274).

Almost surely, 223026939 is an apocalyptic number.

23026939 is a deficient number, since it is larger than the sum of its proper divisors (2071253).

23026939 is a wasteful number, since it uses less digits than its factorization.

23026939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21437.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 23026939 is about 4798.6392862977. The cubic root of 23026939 is about 284.4976850019.

The spelling of 23026939 in words is "twenty-three million, twenty-six thousand, nine hundred thirty-nine".

Divisors: 1 13 83 1079 21341 277433 1771303 23026939