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2572 = 22643
BaseRepresentation
bin101000001100
310112021
4220030
540242
615524
710333
oct5014
93467
102572
111a29
1215a4
13122b
14d1a
15b67
hexa0c

2572 has 6 divisors (see below), whose sum is σ = 4508. Its totient is φ = 1284.

The previous prime is 2557. The next prime is 2579. The reversal of 2572 is 2752.

It is a happy number.

It is an Ulam number.

It is a d-powerful number, because it can be written as 29 + 7 + 5 + 211 .

It is a plaindrome in base 9 and base 13.

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

2572 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 318 + ... + 325.

22572 is an apocalyptic number.

It is an amenable number.

2572 is a deficient number, since it is larger than the sum of its proper divisors (1936).

2572 is a wasteful number, since it uses less digits than its factorization.

2572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647 (or 645 counting only the distinct ones).

The product of its digits is 140, while the sum is 16.

The square root of 2572 is about 50.7148893324. The cubic root of 2572 is about 13.7011489615.

Subtracting from 2572 its sum of digits (16), we obtain a triangular number (2556 = T71).

The spelling of 2572 in words is "two thousand, five hundred seventy-two".

Divisors: 1 2 4 643 1286 2572