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2525880 = 233573197
BaseRepresentation
bin1001101000101010111000
311202022212010
421220222320
51121312010
6130045520
730320040
oct11505270
94668763
102525880
111475805
12a198a0
136a5906
1449a720
1534d620
hex268ab8

2525880 has 128 divisors (see below), whose sum is σ = 9031680. Its totient is φ = 552960.

The previous prime is 2525851. The next prime is 2525933. The reversal of 2525880 is 885252.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25992 + ... + 26088.

It is an arithmetic number, because the mean of its divisors is an integer number (70560).

22525880 is an apocalyptic number.

2525880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2525880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4515840).

2525880 is an abundant number, since it is smaller than the sum of its proper divisors (6505800).

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

2525880 is a wasteful number, since it uses less digits than its factorization.

2525880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 2525880 is about 1589.3017334666. The cubic root of 2525880 is about 136.1876015374.

The spelling of 2525880 in words is "two million, five hundred twenty-five thousand, eight hundred eighty".