Search a number
-
+
5125281 = 37614001
BaseRepresentation
bin10011100011010010100001
3100122101120020
4103203102201
52303002111
6301504053
761364340
oct23432241
910571506
105125281
112990777
121872029
1310a5b15
14975b57
156b3906
hex4e34a1

5125281 has 16 divisors (see below), whose sum is σ = 7939968. Its totient is φ = 2880000.

The previous prime is 5125273. The next prime is 5125319. The reversal of 5125281 is 1825215.

It is not a de Polignac number, because 5125281 - 23 = 5125273 is a prime.

It is a super-2 number, since 2×51252812 = 52537010657922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5125201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 720 + ... + 3281.

It is an arithmetic number, because the mean of its divisors is an integer number (496248).

Almost surely, 25125281 is an apocalyptic number.

It is an amenable number.

5125281 is a deficient number, since it is larger than the sum of its proper divisors (2814687).

5125281 is a wasteful number, since it uses less digits than its factorization.

5125281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4072.

The product of its digits is 800, while the sum is 24.

The square root of 5125281 is about 2263.9083462013. The cubic root of 5125281 is about 172.4140130154.

The spelling of 5125281 in words is "five million, one hundred twenty-five thousand, two hundred eighty-one".

Divisors: 1 3 7 21 61 183 427 1281 4001 12003 28007 84021 244061 732183 1708427 5125281