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23750869 = 214311083
BaseRepresentation
bin101101010011…
…0100011010101
31122200200001211
41122212203111
522040011434
62205021421
7405610342
oct132464325
948620054
1023750869
111245241a
127b54871
134bc778c
1432237c9
152142464
hex16a68d5

23750869 has 4 divisors (see below), whose sum is σ = 23764096. Its totient is φ = 23737644.

The previous prime is 23750833. The next prime is 23750891. The reversal of 23750869 is 96805732.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23750869 - 217 = 23619797 is a prime.

It is a super-2 number, since 2×237508692 = 1128207556510322, 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 (23750809) 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, 3399 + ... + 7684.

It is an arithmetic number, because the mean of its divisors is an integer number (5941024).

Almost surely, 223750869 is an apocalyptic number.

It is an amenable number.

23750869 is a deficient number, since it is larger than the sum of its proper divisors (13227).

23750869 is a wasteful number, since it uses less digits than its factorization.

23750869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13226.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 23750869 is about 4873.4863291077. The cubic root of 23750869 is about 287.4483597231.

The spelling of 23750869 in words is "twenty-three million, seven hundred fifty thousand, eight hundred sixty-nine".

Divisors: 1 2143 11083 23750869