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2052257 = 17120721
BaseRepresentation
bin111110101000010100001
310212021011112
413311002201
51011133012
6111553105
723305154
oct7650241
93767145
102052257
111181989
1282b795
1356b16c
143b5c9b
152a8122
hex1f50a1

2052257 has 4 divisors (see below), whose sum is σ = 2172996. Its totient is φ = 1931520.

The previous prime is 2052217. The next prime is 2052311. The reversal of 2052257 is 7522502.

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

It can be written as a sum of positive squares in 2 ways, for example, as 614656 + 1437601 = 784^2 + 1199^2 .

It is a cyclic number.

It is not a de Polignac number, because 2052257 - 210 = 2051233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2052217) 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, 60344 + ... + 60377.

It is an arithmetic number, because the mean of its divisors is an integer number (543249).

22052257 is an apocalyptic number.

It is an amenable number.

2052257 is a deficient number, since it is larger than the sum of its proper divisors (120739).

2052257 is a wasteful number, since it uses less digits than its factorization.

2052257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120738.

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 2052257 is about 1432.5700680944. The cubic root of 2052257 is about 127.0800124069.

Adding to 2052257 its reverse (7522502), we get a palindrome (9574759).

The spelling of 2052257 in words is "two million, fifty-two thousand, two hundred fifty-seven".

Divisors: 1 17 120721 2052257