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2425028649 = 3808342883
BaseRepresentation
bin1001000010001011…
…0000000000101001
320021000010012220220
42100202300000221
514431301404044
61040344440253
7114044255241
oct22042600051
96230105826
102425028649
111034957a0a
12578179089
132c853cbc4
141900d6b21
15e2d6c019
hex908b0029

2425028649 has 4 divisors (see below), whose sum is σ = 3233371536. Its totient is φ = 1616685764.

The previous prime is 2425028629. The next prime is 2425028659. The reversal of 2425028649 is 9468205242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2425028649 - 27 = 2425028521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2425028649.

It is not an unprimeable number, because it can be changed into a prime (2425028609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404171439 + ... + 404171444.

It is an arithmetic number, because the mean of its divisors is an integer number (808342884).

Almost surely, 22425028649 is an apocalyptic number.

It is an amenable number.

2425028649 is a deficient number, since it is larger than the sum of its proper divisors (808342887).

2425028649 is an equidigital number, since it uses as much as digits as its factorization.

2425028649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808342886.

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 2425028649 is about 49244.5798946442. The cubic root of 2425028649 is about 1343.5039817458.

The spelling of 2425028649 in words is "two billion, four hundred twenty-five million, twenty-eight thousand, six hundred forty-nine".

Divisors: 1 3 808342883 2425028649