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797063640 = 23357390989
BaseRepresentation
bin101111100000100…
…011100111011000
32001112211000202120
4233200203213120
53113022014030
6211031501240
725515633462
oct5740434730
92045730676
10797063640
11379a1578a
121a2b27820
13c91954b9
1477c03132
1549e97010
hex2f8239d8

797063640 has 64 divisors (see below), whose sum is σ = 2423973600. Its totient is φ = 209636352.

The previous prime is 797063639. The next prime is 797063653. The reversal of 797063640 is 46360797.

797063640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 797063592 and 797063601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36735 + ... + 54254.

Almost surely, 2797063640 is an apocalyptic number.

It is an amenable number.

797063640 is an abundant number, since it is smaller than the sum of its proper divisors (1626909960).

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

797063640 is a wasteful number, since it uses less digits than its factorization.

797063640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91076 (or 91072 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 42.

The square root of 797063640 is about 28232.3155267151. The cubic root of 797063640 is about 927.1805929569.

The spelling of 797063640 in words is "seven hundred ninety-seven million, sixty-three thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 73 120 146 219 292 365 438 584 730 876 1095 1460 1752 2190 2920 4380 8760 90989 181978 272967 363956 454945 545934 727912 909890 1091868 1364835 1819780 2183736 2729670 3639560 5459340 6642197 10918680 13284394 19926591 26568788 33210985 39853182 53137576 66421970 79706364 99632955 132843940 159412728 199265910 265687880 398531820 797063640