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23141438 = 231735113
BaseRepresentation
bin101100001000…
…1110000111110
31121112201002022
41120101300332
521411011223
62144000142
7400461515
oct130216076
947481068
1023141438
1112076561
127900052
134a43278
14310567c
152071ac8
hex1611c3e

23141438 has 16 divisors (see below), whose sum is σ = 36329856. Its totient is φ = 11041920.

The previous prime is 23141431. The next prime is 23141441. The reversal of 23141438 is 83414132.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23141431) 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, 1970 + ... + 7082.

It is an arithmetic number, because the mean of its divisors is an integer number (2270616).

Almost surely, 223141438 is an apocalyptic number.

23141438 is a deficient number, since it is larger than the sum of its proper divisors (13188418).

23141438 is a wasteful number, since it uses less digits than its factorization.

23141438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5219.

The product of its digits is 2304, while the sum is 26.

The square root of 23141438 is about 4810.5548536525. The cubic root of 23141438 is about 284.9684503908.

The spelling of 23141438 in words is "twenty-three million, one hundred forty-one thousand, four hundred thirty-eight".

Divisors: 1 2 31 62 73 146 2263 4526 5113 10226 158503 317006 373249 746498 11570719 23141438