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3197405020 = 225159870251
BaseRepresentation
bin1011111010010100…
…1000011101011100
322020211111000010011
42332211020131130
523022013430040
61245135253004
7142143331345
oct27645103534
98224430104
103197405020
1113a0940797
1275297a164
133bc570644
142249110cc
1513aa893ea
hexbe94875c

3197405020 has 12 divisors (see below), whose sum is σ = 6714550584. Its totient is φ = 1278962000.

The previous prime is 3197404981. The next prime is 3197405023. The reversal of 3197405020 is 205047913.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3197405023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79935106 + ... + 79935145.

It is an arithmetic number, because the mean of its divisors is an integer number (559545882).

Almost surely, 23197405020 is an apocalyptic number.

It is an amenable number.

3197405020 is an abundant number, since it is smaller than the sum of its proper divisors (3517145564).

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

3197405020 is a wasteful number, since it uses less digits than its factorization.

3197405020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159870260 (or 159870258 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 3197405020 is about 56545.6012435981. The cubic root of 3197405020 is about 1473.2141588983.

The spelling of 3197405020 in words is "three billion, one hundred ninety-seven million, four hundred five thousand, twenty".

Divisors: 1 2 4 5 10 20 159870251 319740502 639481004 799351255 1598702510 3197405020