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4255278 = 2319163229
BaseRepresentation
bin10000001110111000101110
322000012010220
4100032320232
52042132103
6231112210
751112026
oct20167056
98005126
104255278
112447065
121512666
13b5cb21
147caa86
15590c53
hex40ee2e

4255278 has 32 divisors (see below), whose sum is σ = 9052800. Its totient is φ = 1329696.

The previous prime is 4255249. The next prime is 4255301. The reversal of 4255278 is 8725524.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18468 + ... + 18696.

It is an arithmetic number, because the mean of its divisors is an integer number (282900).

Almost surely, 24255278 is an apocalyptic number.

4255278 is an abundant number, since it is smaller than the sum of its proper divisors (4797522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4255278 is a wasteful number, since it uses less digits than its factorization.

4255278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416.

The product of its digits is 22400, while the sum is 33.

The square root of 4255278 is about 2062.8325186500. The cubic root of 4255278 is about 162.0476159375.

The spelling of 4255278 in words is "four million, two hundred fifty-five thousand, two hundred seventy-eight".

Divisors: 1 2 3 6 19 38 57 114 163 229 326 458 489 687 978 1374 3097 4351 6194 8702 9291 13053 18582 26106 37327 74654 111981 223962 709213 1418426 2127639 4255278