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2552971 = 19912829
BaseRepresentation
bin1001101111010010001011
311210201000111
421233102023
51123143341
6130415151
730462031
oct11572213
94721014
102552971
1114940a3
12a314b7
136b5045
144a6551
15356681
hex26f48b

2552971 has 4 divisors (see below), whose sum is σ = 2566000. Its totient is φ = 2539944.

The previous prime is 2552969. The next prime is 2552983. The reversal of 2552971 is 1792552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2552971 - 21 = 2552969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2552951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6216 + ... + 6613.

It is an arithmetic number, because the mean of its divisors is an integer number (641500).

22552971 is an apocalyptic number.

2552971 is a deficient number, since it is larger than the sum of its proper divisors (13029).

2552971 is a wasteful number, since it uses less digits than its factorization.

2552971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13028.

The product of its digits is 6300, while the sum is 31.

The square root of 2552971 is about 1597.8019276494. The cubic root of 2552971 is about 136.6727586682.

It can be divided in two parts, 25529 and 71, that added together give a square (25600 = 1602).

The spelling of 2552971 in words is "two million, five hundred fifty-two thousand, nine hundred seventy-one".

Divisors: 1 199 12829 2552971