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2040395471 = 17151179433
BaseRepresentation
bin111100110011101…
…1111011011001111
312021012100211101122
41321213133123033
513134320123341
6534244431155
7101364034562
oct17147373317
95235324348
102040395471
11957828354
1248b3a84bb
1326694bbca
14154db24d9
15be1e194b
hex799df6cf

2040395471 has 8 divisors (see below), whose sum is σ = 2161875744. Its totient is φ = 1919077120.

The previous prime is 2040395449. The next prime is 2040395491. The reversal of 2040395471 is 1745930402.

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 2040395471 - 226 = 1973286607 is a prime.

It is a super-3 number, since 3×20403954713 (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040395491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14030 + ... + 65403.

It is an arithmetic number, because the mean of its divisors is an integer number (270234468).

Almost surely, 22040395471 is an apocalyptic number.

2040395471 is a deficient number, since it is larger than the sum of its proper divisors (121480273).

2040395471 is a wasteful number, since it uses less digits than its factorization.

2040395471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80961.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 2040395471 is about 45170.7368879455. The cubic root of 2040395471 is about 1268.3470903705.

The spelling of 2040395471 in words is "two billion, forty million, three hundred ninety-five thousand, four hundred seventy-one".

Divisors: 1 17 1511 25687 79433 1350361 120023263 2040395471