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23136430 = 252313643
BaseRepresentation
bin101100001000…
…0100010101110
31121112110012211
41120100202232
521410331210
62143521034
7400441102
oct130204256
947473184
1023136430
1112072819
1278b917a
134a40bc5
143103902
15207038a
hex16108ae

23136430 has 8 divisors (see below), whose sum is σ = 41645592. Its totient is φ = 9254568.

The previous prime is 23136419. The next prime is 23136431. The reversal of 23136430 is 3463132.

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

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 1156812 + ... + 1156831.

It is an arithmetic number, because the mean of its divisors is an integer number (5205699).

Almost surely, 223136430 is an apocalyptic number.

23136430 is a deficient number, since it is larger than the sum of its proper divisors (18509162).

23136430 is a wasteful number, since it uses less digits than its factorization.

23136430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2313650.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 23136430 is about 4810.0343034120. The cubic root of 23136430 is about 284.9478923921.

Adding to 23136430 its reverse (3463132), we get a palindrome (26599562).

The spelling of 23136430 in words is "twenty-three million, one hundred thirty-six thousand, four hundred thirty".

Divisors: 1 2 5 10 2313643 4627286 11568215 23136430