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2425520 = 24530319
BaseRepresentation
bin1001010000001010110000
311120020012002
421100022300
51110104040
6123553132
726421326
oct11201260
94506162
102425520
111407369
1298b7a8
1366c026
14471d16
1532da15
hex2502b0

2425520 has 20 divisors (see below), whose sum is σ = 5639520. Its totient is φ = 970176.

The previous prime is 2425499. The next prime is 2425523. The reversal of 2425520 is 255242.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2425492 and 2425501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2425523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15080 + ... + 15239.

It is an arithmetic number, because the mean of its divisors is an integer number (281976).

22425520 is an apocalyptic number.

2425520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2425520 is an abundant number, since it is smaller than the sum of its proper divisors (3214000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2425520 is a wasteful number, since it uses less digits than its factorization.

2425520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30332 (or 30326 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 2425520 is about 1557.4081032279. The cubic root of 2425520 is about 134.3594714343.

The spelling of 2425520 in words is "two million, four hundred twenty-five thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 30319 60638 121276 151595 242552 303190 485104 606380 1212760 2425520