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23026693 = 33296917
BaseRepresentation
bin101011111010…
…1110000000101
31121022212200111
41113311300011
521343323233
62141313021
7366503134
oct127656005
947285614
1023026693
1111aa8328
127865771
134a02c81
1430b591b
15204cacd
hex15f5c05

23026693 has 4 divisors (see below), whose sum is σ = 23036940. Its totient is φ = 23016448.

The previous prime is 23026631. The next prime is 23026699. The reversal of 23026693 is 39662032.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 11957764 + 11068929 = 3458^2 + 3327^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23026693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23026699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130 + ... + 6787.

It is an arithmetic number, because the mean of its divisors is an integer number (5759235).

Almost surely, 223026693 is an apocalyptic number.

It is an amenable number.

23026693 is a deficient number, since it is larger than the sum of its proper divisors (10247).

23026693 is an equidigital number, since it uses as much as digits as its factorization.

23026693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10246.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 23026693 is about 4798.6136539630. The cubic root of 23026693 is about 284.4966718888.

The spelling of 23026693 in words is "twenty-three million, twenty-six thousand, six hundred ninety-three".

Divisors: 1 3329 6917 23026693