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2550257 = 16715271
BaseRepresentation
bin1001101110100111110001
311210120021222
421232213301
51123102012
6130354425
730451103
oct11564761
94716258
102550257
111492056
12a2ba15
136b3a38
144a5573
15355972
hex26e9f1

2550257 has 4 divisors (see below), whose sum is σ = 2565696. Its totient is φ = 2534820.

The previous prime is 2550253. The next prime is 2550269. The reversal of 2550257 is 7520552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2550257 - 22 = 2550253 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2550253) 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 3 ways as a sum of consecutive naturals, for example, 7469 + ... + 7802.

It is an arithmetic number, because the mean of its divisors is an integer number (641424).

22550257 is an apocalyptic number.

It is an amenable number.

2550257 is a deficient number, since it is larger than the sum of its proper divisors (15439).

2550257 is a wasteful number, since it uses less digits than its factorization.

2550257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15438.

The product of its (nonzero) digits is 3500, while the sum is 26.

The square root of 2550257 is about 1596.9524100611. The cubic root of 2550257 is about 136.6243103588.

The spelling of 2550257 in words is "two million, five hundred fifty thousand, two hundred fifty-seven".

Divisors: 1 167 15271 2550257