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23601 = 37867
BaseRepresentation
bin101110000110001
31012101010
411300301
51223401
6301133
7125544
oct56061
935333
1023601
1116806
12117a9
13a986
14885b
156ed6
hex5c31

23601 has 4 divisors (see below), whose sum is σ = 31472. Its totient is φ = 15732.

The previous prime is 23599. The next prime is 23603. The reversal of 23601 is 10632.

23601 is an esthetic number in base 3, because in such base its adjacent digits differ by 1.

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 an interprime number because it is at equal distance from previous prime (23599) and next prime (23603).

It is not a de Polignac number, because 23601 - 21 = 23599 is a prime.

It is a D-number.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (23603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3931 + ... + 3936.

It is an arithmetic number, because the mean of its divisors is an integer number (7868).

223601 is an apocalyptic number.

It is an amenable number.

23601 is a deficient number, since it is larger than the sum of its proper divisors (7871).

23601 is an equidigital number, since it uses as much as digits as its factorization.

23601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7870.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 23601 is about 153.6261696457. The cubic root of 23601 is about 28.6842479736.

The spelling of 23601 in words is "twenty-three thousand, six hundred one".

Divisors: 1 3 7867 23601