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39057923 = 31297419
BaseRepresentation
bin1001010011111…
…1101000000011
32201111100101202
42110333220003
534444323143
63513051415
7652662332
oct224775003
981440352
1039057923
1120057883
12110b6b6b
138126ac8
145289d19
153667ab8
hex253fa03

39057923 has 12 divisors (see below), whose sum is σ = 40871880. Its totient is φ = 37319040.

The previous prime is 39057919. The next prime is 39057943. The reversal of 39057923 is 32975093.

39057923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 39057923 - 22 = 39057919 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39057913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93008 + ... + 93426.

It is an arithmetic number, because the mean of its divisors is an integer number (3405990).

Almost surely, 239057923 is an apocalyptic number.

39057923 is a deficient number, since it is larger than the sum of its proper divisors (1813957).

39057923 is an equidigital number, since it uses as much as digits as its factorization.

39057923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578 (or 547 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 38.

The square root of 39057923 is about 6249.6338292735. The cubic root of 39057923 is about 339.2889494080.

The spelling of 39057923 in words is "thirty-nine million, fifty-seven thousand, nine hundred twenty-three".

Divisors: 1 31 97 419 961 3007 12989 40643 93217 402659 1259933 39057923