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23136207 = 346116729
BaseRepresentation
bin101100001000…
…0011111001111
31121112102220120
41120100133033
521410324312
62143520023
7400440333
oct130203717
947472816
1023136207
1112072636
1278b9013
134a40a83
1431037c3
15207028c
hex16107cf

23136207 has 8 divisors (see below), whose sum is σ = 30917040. Its totient is φ = 15389760.

The previous prime is 23136203. The next prime is 23136221. The reversal of 23136207 is 70263132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23136207 - 22 = 23136203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23136203) 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 7 ways as a sum of consecutive naturals, for example, 6982 + ... + 9747.

It is an arithmetic number, because the mean of its divisors is an integer number (3864630).

Almost surely, 223136207 is an apocalyptic number.

23136207 is a deficient number, since it is larger than the sum of its proper divisors (7780833).

23136207 is a wasteful number, since it uses less digits than its factorization.

23136207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17193.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 23136207 is about 4810.0111226483. The cubic root of 23136207 is about 284.9469769010.

Adding to 23136207 its reverse (70263132), we get a palindrome (93399339).

The spelling of 23136207 in words is "twenty-three million, one hundred thirty-six thousand, two hundred seven".

Divisors: 1 3 461 1383 16729 50187 7712069 23136207