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938323893 = 313231046069
BaseRepresentation
bin110111111011011…
…010111110110101
32102101121210101210
4313323122332311
53410202331033
6233035312033
732152423113
oct6773327665
92371553353
10938323893
114417286a1
122222ab619
1311c524350
148c894ab3
155759bd63
hex37edafb5

938323893 has 16 divisors (see below), whose sum is σ = 1405918080. Its totient is φ = 552323904.

The previous prime is 938323889. The next prime is 938323901. The reversal of 938323893 is 398323839.

It is not a de Polignac number, because 938323893 - 22 = 938323889 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (938323193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 522138 + ... + 523931.

It is an arithmetic number, because the mean of its divisors is an integer number (87869880).

Almost surely, 2938323893 is an apocalyptic number.

It is an amenable number.

938323893 is a deficient number, since it is larger than the sum of its proper divisors (467594187).

938323893 is a wasteful number, since it uses less digits than its factorization.

938323893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046108.

The product of its digits is 839808, while the sum is 48.

The square root of 938323893 is about 30632.0729465049. The cubic root of 938323893 is about 979.0035314166.

The spelling of 938323893 in words is "nine hundred thirty-eight million, three hundred twenty-three thousand, eight hundred ninety-three".

Divisors: 1 3 13 23 39 69 299 897 1046069 3138207 13598897 24059587 40796691 72178761 312774631 938323893