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2580090 = 235175059
BaseRepresentation
bin1001110101111001111010
311212002012220
421311321322
51130030330
6131144510
730634062
oct11657172
94762186
102580090
111502507
12a45136
136c44a6
144b23a2
1535e710
hex275e7a

2580090 has 32 divisors (see below), whose sum is σ = 6557760. Its totient is φ = 647424.

The previous prime is 2580079. The next prime is 2580119. The reversal of 2580090 is 900852.

It is a self number, because there is not a number n which added to its sum of digits gives 2580090.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2020 + ... + 3039.

It is an arithmetic number, because the mean of its divisors is an integer number (204930).

22580090 is an apocalyptic number.

2580090 is an abundant number, since it is smaller than the sum of its proper divisors (3977670).

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

2580090 is a wasteful number, since it uses less digits than its factorization.

2580090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5086.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 2580090 is about 1606.2658559529. The cubic root of 2580090 is about 137.1549917958.

The spelling of 2580090 in words is "two million, five hundred eighty thousand, ninety".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 5059 10118 15177 25295 30354 50590 75885 86003 151770 172006 258009 430015 516018 860030 1290045 2580090