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2634380949 = 3878126983
BaseRepresentation
bin1001110100000101…
…0111011010010101
320210121001102021210
42131001113122111
520343400142244
61113223532033
7122165603634
oct23501273225
96717042253
102634380949
111132048442
126162ba019
1332ca1ccc5
141adc3151b
151064224b9
hex9d057695

2634380949 has 4 divisors (see below), whose sum is σ = 3512507936. Its totient is φ = 1756253964.

The previous prime is 2634380927. The next prime is 2634380993. The reversal of 2634380949 is 9490834362.

2634380949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 2634380949 - 213 = 2634372757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2634380898 and 2634380907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2634380849) 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, 439063489 + ... + 439063494.

It is an arithmetic number, because the mean of its divisors is an integer number (878126984).

Almost surely, 22634380949 is an apocalyptic number.

It is an amenable number.

2634380949 is a deficient number, since it is larger than the sum of its proper divisors (878126987).

2634380949 is an equidigital number, since it uses as much as digits as its factorization.

2634380949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878126986.

The product of its (nonzero) digits is 1119744, while the sum is 48.

The square root of 2634380949 is about 51326.2208719871. The cubic root of 2634380949 is about 1381.1033934225.

The spelling of 2634380949 in words is "two billion, six hundred thirty-four million, three hundred eighty thousand, nine hundred forty-nine".

Divisors: 1 3 878126983 2634380949