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5197295538 = 232439657719
BaseRepresentation
bin1001101011100100…
…00110111110110010
3111102012121222011100
410311302012332302
541121001424123
62215420025230
7242536166061
oct46562067662
914365558140
105197295538
112227813076
121010692216
1364a9a9c06
1437437c1d8
15206429643
hex135c86fb2

5197295538 has 24 divisors (see below), whose sum is σ = 11286475200. Its totient is φ = 1728482904.

The previous prime is 5197295507. The next prime is 5197295557. The reversal of 5197295538 is 8355927915.

5197295538 is a `hidden beast` number, since 5 + 19 + 7 + 2 + 95 + 538 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 320958 + ... + 336761.

It is an arithmetic number, because the mean of its divisors is an integer number (470269800).

Almost surely, 25197295538 is an apocalyptic number.

5197295538 is an abundant number, since it is smaller than the sum of its proper divisors (6089179662).

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

5197295538 is a wasteful number, since it uses less digits than its factorization.

5197295538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658166 (or 658163 counting only the distinct ones).

The product of its digits is 3402000, while the sum is 54.

The square root of 5197295538 is about 72092.2710004339. The cubic root of 5197295538 is about 1732.1778110664.

The spelling of 5197295538 in words is "five billion, one hundred ninety-seven million, two hundred ninety-five thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 9 18 439 878 1317 2634 3951 7902 657719 1315438 1973157 3946314 5919471 11838942 288738641 577477282 866215923 1732431846 2598647769 5197295538