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2040395469 = 3797161689
BaseRepresentation
bin111100110011101…
…1111011011001101
312021012100211101120
41321213133123031
513134320123334
6534244431153
7101364034560
oct17147373315
95235324346
102040395469
11957828352
1248b3a84b9
1326694bbc8
14154db24d7
15be1e1949
hex799df6cd

2040395469 has 8 divisors (see below), whose sum is σ = 3109174080. Its totient is φ = 1165940256.

The previous prime is 2040395449. The next prime is 2040395491. The reversal of 2040395469 is 9645930402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2040395469 - 29 = 2040394957 is a prime.

It is a super-2 number, since 2×20403954692 = 8326427339831459922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2040395469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040395449) 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, 48580824 + ... + 48580865.

It is an arithmetic number, because the mean of its divisors is an integer number (388646760).

Almost surely, 22040395469 is an apocalyptic number.

It is an amenable number.

2040395469 is a deficient number, since it is larger than the sum of its proper divisors (1068778611).

2040395469 is an equidigital number, since it uses as much as digits as its factorization.

2040395469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97161699.

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 2040395469 is about 45170.7368658073. The cubic root of 2040395469 is about 1268.3470899561.

The spelling of 2040395469 in words is "two billion, forty million, three hundred ninety-five thousand, four hundred sixty-nine".

Divisors: 1 3 7 21 97161689 291485067 680131823 2040395469