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23430790 = 2523101873
BaseRepresentation
bin101100101100…
…0011010000110
31122002102000001
41121120122012
521444241130
62154111514
7403105225
oct131303206
948072001
1023430790
1112253999
127a1b59a
134b14b96
14317ccbc
1520cc6ca
hex1658686

23430790 has 16 divisors (see below), whose sum is σ = 44009568. Its totient is φ = 8964736.

The previous prime is 23430773. The next prime is 23430793. The reversal of 23430790 is 9703432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23430793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50707 + ... + 51166.

It is an arithmetic number, because the mean of its divisors is an integer number (2750598).

Almost surely, 223430790 is an apocalyptic number.

23430790 is a deficient number, since it is larger than the sum of its proper divisors (20578778).

23430790 is a wasteful number, since it uses less digits than its factorization.

23430790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101903.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 23430790 is about 4840.5361273314. The cubic root of 23430790 is about 286.1512476936.

The spelling of 23430790 in words is "twenty-three million, four hundred thirty thousand, seven hundred ninety".

Divisors: 1 2 5 10 23 46 115 230 101873 203746 509365 1018730 2343079 4686158 11715395 23430790