Search a number
-
+
4931025 = 3521143139
BaseRepresentation
bin10010110011110111010001
3100021112002120
4102303313101
52230243100
6253404453
756625111
oct22636721
910245076
104931025
112868830
121799729
131038588
14925041
156760a0
hex4b3dd1

4931025 has 48 divisors (see below), whose sum is σ = 9166080. Its totient is φ = 2318400.

The previous prime is 4931023. The next prime is 4931063. The reversal of 4931025 is 5201394.

It is not a de Polignac number, because 4931025 - 21 = 4931023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4930986 and 4931004.

It is not an unprimeable number, because it can be changed into a prime (4931023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35406 + ... + 35544.

It is an arithmetic number, because the mean of its divisors is an integer number (190960).

Almost surely, 24931025 is an apocalyptic number.

It is an amenable number.

4931025 is a deficient number, since it is larger than the sum of its proper divisors (4235055).

4931025 is a wasteful number, since it uses less digits than its factorization.

4931025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 4931025 is about 2220.5911375127. The cubic root of 4931025 is about 170.2076470729.

The spelling of 4931025 in words is "four million, nine hundred thirty-one thousand, twenty-five".

Divisors: 1 3 5 11 15 25 33 43 55 75 129 139 165 215 275 417 473 645 695 825 1075 1419 1529 2085 2365 3225 3475 4587 5977 7095 7645 10425 11825 17931 22935 29885 35475 38225 65747 89655 114675 149425 197241 328735 448275 986205 1643675 4931025