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2525280 = 25355261
BaseRepresentation
bin1001101000100001100000
311202022000220
421220201200
51121302110
6130043040
730315222
oct11504140
94668026
102525280
11147530a
12a19480
136a5564
1449a412
1534d370
hex268860

2525280 has 48 divisors (see below), whose sum is σ = 7956144. Its totient is φ = 673280.

The previous prime is 2525279. The next prime is 2525293. The reversal of 2525280 is 825252.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2525280.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2151 + ... + 3110.

It is an arithmetic number, because the mean of its divisors is an integer number (165753).

22525280 is an apocalyptic number.

2525280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2525280 is an abundant number, since it is smaller than the sum of its proper divisors (5430864).

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

2525280 is a wasteful number, since it uses less digits than its factorization.

2525280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5279 (or 5271 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 2525280 is about 1589.1129601133. The cubic root of 2525280 is about 136.1768173049.

The spelling of 2525280 in words is "two million, five hundred twenty-five thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 5261 10522 15783 21044 26305 31566 42088 52610 63132 78915 84176 105220 126264 157830 168352 210440 252528 315660 420880 505056 631320 841760 1262640 2525280