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2590048997 = 5348868849
BaseRepresentation
bin1001101001100001…
…0000001011100101
320200111122010021122
42122120100023211
520301023031442
61105001423325
7121120024154
oct23230201345
96614563248
102590048997
11110a019168
1260349ab45
1332379a793
141a7db159b
151025b6dd2
hex9a6102e5

2590048997 has 4 divisors (see below), whose sum is σ = 2638917900. Its totient is φ = 2541180096.

The previous prime is 2590048987. The next prime is 2590049009. The reversal of 2590048997 is 7998400952.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 668015716 + 1922033281 = 25846^2 + 43841^2 .

It is a cyclic number.

It is not a de Polignac number, because 2590048997 - 230 = 1516307173 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53), and also a Moran number because the ratio is a prime number: 48868849 = 2590048997 / (2 + 5 + 9 + 0 + 0 + 4 + 8 + 9 + 9 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2590048907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24434372 + ... + 24434477.

It is an arithmetic number, because the mean of its divisors is an integer number (659729475).

Almost surely, 22590048997 is an apocalyptic number.

It is an amenable number.

2590048997 is a deficient number, since it is larger than the sum of its proper divisors (48868903).

2590048997 is an equidigital number, since it uses as much as digits as its factorization.

2590048997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48868902.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The square root of 2590048997 is about 50892.5239794609. The cubic root of 2590048997 is about 1373.3123531778.

The spelling of 2590048997 in words is "two billion, five hundred ninety million, forty-eight thousand, nine hundred ninety-seven".

Divisors: 1 53 48868849 2590048997