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939740439 = 31128476983
BaseRepresentation
bin111000000000110…
…100110100010111
32102111021202112110
4320000310310113
53411033143224
6233125522103
732200443021
oct7000646427
92374252473
10939740439
114425059a0
12222873333
1311c8cc041
148cb43011
155777b929
hex38034d17

939740439 has 8 divisors (see below), whose sum is σ = 1366895232. Its totient is φ = 569539640.

The previous prime is 939740429. The next prime is 939740507. The reversal of 939740439 is 934047939.

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

It is a cyclic number.

It is not a de Polignac number, because 939740439 - 25 = 939740407 is a prime.

It is a super-2 number, since 2×9397404392 = 1766224185383825442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (939740429) 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 7 ways as a sum of consecutive naturals, for example, 14238459 + ... + 14238524.

It is an arithmetic number, because the mean of its divisors is an integer number (170861904).

Almost surely, 2939740439 is an apocalyptic number.

939740439 is a deficient number, since it is larger than the sum of its proper divisors (427154793).

939740439 is a wasteful number, since it uses less digits than its factorization.

939740439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28476997.

The product of its (nonzero) digits is 734832, while the sum is 48.

The square root of 939740439 is about 30655.1861680858. The cubic root of 939740439 is about 979.4959364614.

The spelling of 939740439 in words is "nine hundred thirty-nine million, seven hundred forty thousand, four hundred thirty-nine".

Divisors: 1 3 11 33 28476983 85430949 313246813 939740439