Search a number
-
+
2980525 = 52177013
BaseRepresentation
bin1011010111101010101101
312121102111211
423113222231
51230334100
6143514421
734222402
oct13275255
95542454
102980525
111756349
12bb8a11
13804832
145782a9
153dd1ba
hex2d7aad

2980525 has 12 divisors (see below), whose sum is σ = 3913812. Its totient is φ = 2243840.

The previous prime is 2980513. The next prime is 2980531. The reversal of 2980525 is 5250892.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 110889 + 2869636 = 333^2 + 1694^2 .

It is not a de Polignac number, because 2980525 - 25 = 2980493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3082 + ... + 3931.

It is an arithmetic number, because the mean of its divisors is an integer number (326151).

22980525 is an apocalyptic number.

2980525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2980525 is a deficient number, since it is larger than the sum of its proper divisors (933287).

2980525 is a wasteful number, since it uses less digits than its factorization.

2980525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7040 (or 7035 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 2980525 is about 1726.4197056336. The cubic root of 2980525 is about 143.9121924815.

The spelling of 2980525 in words is "two million, nine hundred eighty thousand, five hundred twenty-five".

Divisors: 1 5 17 25 85 425 7013 35065 119221 175325 596105 2980525