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2489011345 = 5497802269
BaseRepresentation
bin1001010001011011…
…0100110010010001
320102110111212200101
42110112310302101
520044141330340
61050552052401
7115452150562
oct22426646221
96373455611
102489011345
111067a89077
12595694101
133088828a2
141987d0169
15e87a9c9a
hex945b4c91

2489011345 has 4 divisors (see below), whose sum is σ = 2986813620. Its totient is φ = 1991209072.

The previous prime is 2489011339. The next prime is 2489011351. The reversal of 2489011345 is 5431109842.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5431109842 = 22715554921.

It is an interprime number because it is at equal distance from previous prime (2489011339) and next prime (2489011351).

It can be written as a sum of positive squares in 2 ways, for example, as 1011685249 + 1477326096 = 31807^2 + 38436^2 .

It is a cyclic number.

It is not a de Polignac number, because 2489011345 - 29 = 2489010833 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248901130 + ... + 248901139.

It is an arithmetic number, because the mean of its divisors is an integer number (746703405).

Almost surely, 22489011345 is an apocalyptic number.

It is an amenable number.

2489011345 is a deficient number, since it is larger than the sum of its proper divisors (497802275).

2489011345 is an equidigital number, since it uses as much as digits as its factorization.

2489011345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497802274.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 2489011345 is about 49889.9924333528. The cubic root of 2489011345 is about 1355.2173677598.

The spelling of 2489011345 in words is "two billion, four hundred eighty-nine million, eleven thousand, three hundred forty-five".

Divisors: 1 5 497802269 2489011345