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4255257 = 32959829
BaseRepresentation
bin10000001110111000011001
322000012010010
4100032320121
52042132012
6231112133
751111666
oct20167031
98005103
104255257
112447046
121512649
13b5cb06
147caa6d
15590c3c
hex40ee19

4255257 has 16 divisors (see below), whose sum is σ = 5976000. Its totient is φ = 2689344.

The previous prime is 4255249. The next prime is 4255301. The reversal of 4255257 is 7525524.

It is not a de Polignac number, because 4255257 - 23 = 4255249 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4255057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4719 + ... + 5547.

It is an arithmetic number, because the mean of its divisors is an integer number (373500).

Almost surely, 24255257 is an apocalyptic number.

It is an amenable number.

4255257 is a deficient number, since it is larger than the sum of its proper divisors (1720743).

4255257 is a wasteful number, since it uses less digits than its factorization.

4255257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920.

The product of its digits is 14000, while the sum is 30.

The square root of 4255257 is about 2062.8274285553. The cubic root of 4255257 is about 162.0473493662.

The spelling of 4255257 in words is "four million, two hundred fifty-five thousand, two hundred fifty-seven".

Divisors: 1 3 29 59 87 177 829 1711 2487 5133 24041 48911 72123 146733 1418419 4255257