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2570 = 25257
BaseRepresentation
bin101000001010
310112012
4220022
540240
615522
710331
oct5012
93465
102570
111a27
1215a2
131229
14d18
15b65
hexa0a

2570 has 8 divisors (see below), whose sum is σ = 4644. Its totient is φ = 1024.

The previous prime is 2557. The next prime is 2579. The reversal of 2570 is 752.

Subtracting from 2570 its sum of digits (14), we obtain a triangular number (2556 = T71).

Subtracting from 2570 its product of nonzero digits (70), we obtain a square (2500 = 502).

2570 is nontrivially palindromic in base 4 and base 16.

It can be written as a sum of positive squares in 2 ways, for example, as 2401 + 169 = 49^2 + 13^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

2570 is an undulating number in base 16.

It is a plaindrome in base 13.

It is a nialpdrome in base 15.

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (2579) by changing a digit.

In principle, a polygon with 2570 sides can be constructed with ruler and compass.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119 + ... + 138.

22570 is an apocalyptic number.

2570 is a deficient number, since it is larger than the sum of its proper divisors (2074).

2570 is a wasteful number, since it uses less digits than its factorization.

2570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264.

The product of its (nonzero) digits is 70, while the sum is 14.

The square root of 2570 is about 50.6951674225. The cubic root of 2570 is about 13.6975966800.

The spelling of 2570 in words is "two thousand, five hundred seventy".

Divisors: 1 2 5 10 257 514 1285 2570