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5298749 = 13738677
BaseRepresentation
bin10100001101101000111101
3100222012111222
4110031220331
52324024444
6305323125
763016151
oct24155075
910865458
105298749
112a9a035
1219364a5
131136a71
149bd061
156e9eee
hex50da3d

5298749 has 4 divisors (see below), whose sum is σ = 5337564. Its totient is φ = 5259936.

The previous prime is 5298721. The next prime is 5298751. The reversal of 5298749 is 9478925.

It is a happy number.

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 1338649 + 3960100 = 1157^2 + 1990^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5298749 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5298719) 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, 19202 + ... + 19475.

It is an arithmetic number, because the mean of its divisors is an integer number (1334391).

Almost surely, 25298749 is an apocalyptic number.

It is an amenable number.

5298749 is a deficient number, since it is larger than the sum of its proper divisors (38815).

5298749 is a wasteful number, since it uses less digits than its factorization.

5298749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38814.

The product of its digits is 181440, while the sum is 44.

The square root of 5298749 is about 2301.9011707717. The cubic root of 5298749 is about 174.3376212152.

The spelling of 5298749 in words is "five million, two hundred ninety-eight thousand, seven hundred forty-nine".

Divisors: 1 137 38677 5298749