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23264761 = 131789597
BaseRepresentation
bin101100010111…
…1110111111001
31121202222020211
41120233313321
521423433021
62150351121
7401514202
oct130576771
947688224
1023264761
1112150183
12795b4a1
134a87440
1431385a9
1520983e1
hex162fdf9

23264761 has 4 divisors (see below), whose sum is σ = 25054372. Its totient is φ = 21475152.

The previous prime is 23264743. The next prime is 23264777. The reversal of 23264761 is 16746232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11833600 + 11431161 = 3440^2 + 3381^2 .

It is a cyclic number.

It is not a de Polignac number, because 23264761 - 211 = 23262713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23264701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 894786 + ... + 894811.

It is an arithmetic number, because the mean of its divisors is an integer number (6263593).

Almost surely, 223264761 is an apocalyptic number.

It is an amenable number.

23264761 is a deficient number, since it is larger than the sum of its proper divisors (1789611).

23264761 is a wasteful number, since it uses less digits than its factorization.

23264761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1789610.

The product of its digits is 12096, while the sum is 31.

The square root of 23264761 is about 4823.3557820256. The cubic root of 23264761 is about 285.4737621358.

It can be divided in two parts, 23264 and 761, that added together give a square (24025 = 1552).

The spelling of 23264761 in words is "twenty-three million, two hundred sixty-four thousand, seven hundred sixty-one".

Divisors: 1 13 1789597 23264761