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939312948 = 2237212491279
BaseRepresentation
bin110111111111001…
…100011100110100
32102110111001010110
4313333030130310
53410431003243
6233112423020
732164012500
oct6777143464
92373431113
10939312948
114422437a2
122226a7a70
1311c7ac5a2
148ca71300
15576e4e33
hex37fcc734

939312948 has 72 divisors (see below), whose sum is σ = 2553600000. Its totient is φ = 267950592.

The previous prime is 939312931. The next prime is 939312949. The reversal of 939312948 is 849213939.

It is a junction number, because it is equal to n+sod(n) for n = 939312897 and 939312906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (939312949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 733773 + ... + 735051.

Almost surely, 2939312948 is an apocalyptic number.

939312948 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 939312948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1276800000).

939312948 is an abundant number, since it is smaller than the sum of its proper divisors (1614287052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

939312948 is a wasteful number, since it uses less digits than its factorization.

939312948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2549 (or 2540 counting only the distinct ones).

The product of its digits is 419904, while the sum is 48.

The square root of 939312948 is about 30648.2128027068. The cubic root of 939312948 is about 979.3473886323.

Subtracting from 939312948 its reverse (849213939), we obtain a palindrome (90099009).

The spelling of 939312948 in words is "nine hundred thirty-nine million, three hundred twelve thousand, nine hundred forty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 84 98 147 196 294 588 1249 1279 2498 2558 3747 3837 4996 5116 7494 7674 8743 8953 14988 15348 17486 17906 26229 26859 34972 35812 52458 53718 61201 62671 104916 107436 122402 125342 183603 188013 244804 250684 367206 376026 734412 752052 1597471 3194942 4792413 6389884 9584826 11182297 19169652 22364594 33546891 44729188 67093782 78276079 134187564 156552158 234828237 313104316 469656474 939312948