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2470048889 = 721113033517
BaseRepresentation
bin1001001100111001…
…1111010001111001
320101010211111002012
42103032133101321
520024313031024
61045033415305
7115132032500
oct22316372171
96333744065
102470048889
111058307320
1258b26a535
133049737b9
14196095837
15e6cb150e
hex9339f479

2470048889 has 24 divisors (see below), whose sum is σ = 3137830848. Its totient is φ = 1922689440.

The previous prime is 2470048879. The next prime is 2470048937. The reversal of 2470048889 is 9888400742.

It is a de Polignac number, because none of the positive numbers 2k-2470048889 is a prime.

It is a super-2 number, since 2×24700488892 = 12202283028100268642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2470048879) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 700559 + ... + 704075.

It is an arithmetic number, because the mean of its divisors is an integer number (130742952).

Almost surely, 22470048889 is an apocalyptic number.

It is an amenable number.

2470048889 is a deficient number, since it is larger than the sum of its proper divisors (667781959).

2470048889 is a wasteful number, since it uses less digits than its factorization.

2470048889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4845 (or 4838 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 50.

The square root of 2470048889 is about 49699.5864067298. The cubic root of 2470048889 is about 1351.7670302294.

The spelling of 2470048889 in words is "two billion, four hundred seventy million, forty-eight thousand, eight hundred eighty-nine".

Divisors: 1 7 11 49 77 539 1303 3517 9121 14333 24619 38687 63847 100331 172333 270809 702317 1895663 4582651 32078557 50409161 224549899 352864127 2470048889