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5272481 = 19277499
BaseRepresentation
bin10100000111001110100001
3100220212111002
4110013032201
52322204411
6305001345
762546444
oct24071641
910825432
105272481
112a81325
121923255
131127b16
149b365b
156e233b
hex5073a1

5272481 has 4 divisors (see below), whose sum is σ = 5550000. Its totient is φ = 4994964.

The previous prime is 5272471. The next prime is 5272483. The reversal of 5272481 is 1842725.

5272481 is digitally balanced in base 3, 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 a cyclic number.

It is not a de Polignac number, because 5272481 - 218 = 5010337 is a prime.

It is a super-2 number, since 2×52724812 = 55598111790722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5272483) 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, 138731 + ... + 138768.

It is an arithmetic number, because the mean of its divisors is an integer number (1387500).

Almost surely, 25272481 is an apocalyptic number.

It is an amenable number.

5272481 is a deficient number, since it is larger than the sum of its proper divisors (277519).

5272481 is a wasteful number, since it uses less digits than its factorization.

5272481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277518.

The product of its digits is 4480, while the sum is 29.

The square root of 5272481 is about 2296.1883633535. The cubic root of 5272481 is about 174.0490569389.

The spelling of 5272481 in words is "five million, two hundred seventy-two thousand, four hundred eighty-one".

Divisors: 1 19 277499 5272481