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23214769 = 96724007
BaseRepresentation
bin101100010001…
…1101010110001
31121200102200021
41120203222301
521420333034
62145323441
7401215354
oct130435261
947612607
1023214769
1112116666
127936581
134a6a766
14312429b
1520886b4
hex1623ab1

23214769 has 4 divisors (see below), whose sum is σ = 23239744. Its totient is φ = 23189796.

The previous prime is 23214767. The next prime is 23214791. The reversal of 23214769 is 96741232.

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 23214769 - 21 = 23214767 is a prime.

It is a super-2 number, since 2×232147692 = 1077850999446722, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23214767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11037 + ... + 12970.

It is an arithmetic number, because the mean of its divisors is an integer number (5809936).

Almost surely, 223214769 is an apocalyptic number.

It is an amenable number.

23214769 is a deficient number, since it is larger than the sum of its proper divisors (24975).

23214769 is an equidigital number, since it uses as much as digits as its factorization.

23214769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24974.

The product of its digits is 18144, while the sum is 34.

The square root of 23214769 is about 4818.1707109649. The cubic root of 23214769 is about 285.2691373700.

The spelling of 23214769 in words is "twenty-three million, two hundred fourteen thousand, seven hundred sixty-nine".

Divisors: 1 967 24007 23214769