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23148590 = 252314859
BaseRepresentation
bin101100001001…
…1100000101110
31121120001220012
41120103200232
521411223330
62144053222
7400521413
oct130234056
947501805
1023148590
1112080973
127904212
134a465ba
14310810a
152073c95
hex161382e

23148590 has 8 divisors (see below), whose sum is σ = 41667480. Its totient is φ = 9259432.

The previous prime is 23148589. The next prime is 23148607. The reversal of 23148590 is 9584132.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1157420 + ... + 1157439.

It is an arithmetic number, because the mean of its divisors is an integer number (5208435).

Almost surely, 223148590 is an apocalyptic number.

23148590 is a deficient number, since it is larger than the sum of its proper divisors (18518890).

23148590 is a wasteful number, since it uses less digits than its factorization.

23148590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2314866.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 23148590 is about 4811.2981616192. The cubic root of 23148590 is about 284.9978044357.

The spelling of 23148590 in words is "twenty-three million, one hundred forty-eight thousand, five hundred ninety".

Divisors: 1 2 5 10 2314859 4629718 11574295 23148590