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5180869 = 17304757
BaseRepresentation
bin10011110000110111000101
3100202012211001
4103300313011
52311241434
6303013301
762015401
oct23606705
910665731
105180869
112a19511
12189a231
1310c5205
1498c101
156c5114
hex4f0dc5

5180869 has 4 divisors (see below), whose sum is σ = 5485644. Its totient is φ = 4876096.

The previous prime is 5180839. The next prime is 5180887. The reversal of 5180869 is 9680815.

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 4708900 + 471969 = 2170^2 + 687^2 .

It is a cyclic number.

It is not a de Polignac number, because 5180869 - 219 = 4656581 is a prime.

It is a super-2 number, since 2×51808692 = 53682807190322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5180809) 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, 152362 + ... + 152395.

It is an arithmetic number, because the mean of its divisors is an integer number (1371411).

Almost surely, 25180869 is an apocalyptic number.

It is an amenable number.

5180869 is a deficient number, since it is larger than the sum of its proper divisors (304775).

5180869 is a wasteful number, since it uses less digits than its factorization.

5180869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304774.

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 5180869 is about 2276.1522356820. The cubic root of 5180869 is about 173.0350981836.

The spelling of 5180869 in words is "five million, one hundred eighty thousand, eight hundred sixty-nine".

Divisors: 1 17 304757 5180869