Search a number
-
+
2875580 = 225143779
BaseRepresentation
bin1010111110000010111100
312102002112222
422332002330
51214004310
6141344512
733304421
oct12760274
95362488
102875580
111694514
12b68138
13798b36
1454bd48
153bc055
hex2be0bc

2875580 has 12 divisors (see below), whose sum is σ = 6038760. Its totient is φ = 1150224.

The previous prime is 2875577. The next prime is 2875619. The reversal of 2875580 is 855782.

It is a self number, because there is not a number n which added to its sum of digits gives 2875580.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71870 + ... + 71909.

It is an arithmetic number, because the mean of its divisors is an integer number (503230).

22875580 is an apocalyptic number.

2875580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2875580 is an abundant number, since it is smaller than the sum of its proper divisors (3163180).

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

2875580 is a wasteful number, since it uses less digits than its factorization.

2875580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143788 (or 143786 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 35.

The square root of 2875580 is about 1695.7535198253. The cubic root of 2875580 is about 142.2029103372.

The spelling of 2875580 in words is "two million, eight hundred seventy-five thousand, five hundred eighty".

Divisors: 1 2 4 5 10 20 143779 287558 575116 718895 1437790 2875580