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2982257 = 5356269
BaseRepresentation
bin1011011000000101110001
312121111212222
423120011301
51230413012
6143530425
734230425
oct13300561
95544788
102982257
111757683
12bb9a15
13805565
14578b85
153dd972
hex2d8171

2982257 has 4 divisors (see below), whose sum is σ = 3038580. Its totient is φ = 2925936.

The previous prime is 2982247. The next prime is 2982277. The reversal of 2982257 is 7522892.

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 2686321 + 295936 = 1639^2 + 544^2 .

It is a cyclic number.

It is not a de Polignac number, because 2982257 - 26 = 2982193 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2982247) 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, 28082 + ... + 28187.

It is an arithmetic number, because the mean of its divisors is an integer number (759645).

22982257 is an apocalyptic number.

It is an amenable number.

2982257 is a deficient number, since it is larger than the sum of its proper divisors (56323).

2982257 is an equidigital number, since it uses as much as digits as its factorization.

2982257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56322.

The product of its digits is 20160, while the sum is 35.

The square root of 2982257 is about 1726.9212489283. The cubic root of 2982257 is about 143.9400631476.

The spelling of 2982257 in words is "two million, nine hundred eighty-two thousand, two hundred fifty-seven".

Divisors: 1 53 56269 2982257