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23136441 = 330725121
BaseRepresentation
bin101100001000…
…0100010111001
31121112110020020
41120100202321
521410331231
62143521053
7400441116
oct130204271
947473206
1023136441
1112072829
1278b9189
134a40c03
14310390d
152070396
hex16108b9

23136441 has 8 divisors (see below), whose sum is σ = 30950304. Its totient is φ = 15373440.

The previous prime is 23136431. The next prime is 23136457. The reversal of 23136441 is 14463132.

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

It is not a de Polignac number, because 23136441 - 25 = 23136409 is a prime.

It is a super-3 number, since 3×231364413 (a number of 23 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23136431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11640 + ... + 13481.

It is an arithmetic number, because the mean of its divisors is an integer number (3868788).

Almost surely, 223136441 is an apocalyptic number.

It is an amenable number.

23136441 is a deficient number, since it is larger than the sum of its proper divisors (7813863).

23136441 is a wasteful number, since it uses less digits than its factorization.

23136441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25431.

The product of its digits is 1728, while the sum is 24.

The square root of 23136441 is about 4810.0354468548. The cubic root of 23136441 is about 284.9479375507.

Adding to 23136441 its reverse (14463132), we get a palindrome (37599573).

The spelling of 23136441 in words is "twenty-three million, one hundred thirty-six thousand, four hundred forty-one".

Divisors: 1 3 307 921 25121 75363 7712147 23136441