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3260257 = 711133257
BaseRepresentation
bin1100011011111101100001
320010122020021
430123331201
51313312012
6153513441
736466060
oct14337541
96118207
103260257
111927530
121112881
138a1c60
1460c1d7
15446007
hex31bf61

3260257 has 16 divisors (see below), whose sum is σ = 4378752. Its totient is φ = 2344320.

The previous prime is 3260237. The next prime is 3260261. The reversal of 3260257 is 7520623.

It is not a de Polignac number, because 3260257 - 27 = 3260129 is a prime.

It is a d-powerful number, because it can be written as 312 + 28 + 68 + 0 + 220 + 52 + 73 .

It is not an unprimeable number, because it can be changed into a prime (3260207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 628 + ... + 2629.

It is an arithmetic number, because the mean of its divisors is an integer number (273672).

Almost surely, 23260257 is an apocalyptic number.

It is an amenable number.

3260257 is a deficient number, since it is larger than the sum of its proper divisors (1118495).

3260257 is a wasteful number, since it uses less digits than its factorization.

3260257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3288.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 3260257 is about 1805.6181766918. The cubic root of 3260257 is about 148.2804670701.

The spelling of 3260257 in words is "three million, two hundred sixty thousand, two hundred fifty-seven".

Divisors: 1 7 11 13 77 91 143 1001 3257 22799 35827 42341 250789 296387 465751 3260257