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23751013 = 1113414051
BaseRepresentation
bin101101010011…
…0100101100101
31122200200021011
41122212211211
522040013023
62205022221
7405610636
oct132464545
948620234
1023751013
1112452540
127b54971
134bc7870
14322388d
15214250d
hex16a6965

23751013 has 16 divisors (see below), whose sum is σ = 28590912. Its totient is φ = 19440000.

The previous prime is 23751011. The next prime is 23751043. The reversal of 23751013 is 31015732.

It is a cyclic number.

It is not a de Polignac number, because 23751013 - 21 = 23751011 is a prime.

It is a super-2 number, since 2×237510132 = 1128221237052338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23751011) 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 15 ways as a sum of consecutive naturals, for example, 3838 + ... + 7888.

It is an arithmetic number, because the mean of its divisors is an integer number (1786932).

Almost surely, 223751013 is an apocalyptic number.

It is an amenable number.

23751013 is a deficient number, since it is larger than the sum of its proper divisors (4839899).

23751013 is a wasteful number, since it uses less digits than its factorization.

23751013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4116.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 23751013 is about 4873.5011029033. The cubic root of 23751013 is about 287.4489406490.

Adding to 23751013 its reverse (31015732), we get a palindrome (54766745).

The spelling of 23751013 in words is "twenty-three million, seven hundred fifty-one thousand, thirteen".

Divisors: 1 11 13 41 143 451 533 4051 5863 44561 52663 166091 579293 1827001 2159183 23751013