Search a number
-
+
253905126 = 2343739677
BaseRepresentation
bin11110010001001…
…00100011100110
3122200202201100120
433020210203212
51004444431001
641110022410
76202105116
oct1710444346
9580681316
10253905126
11120360752
1271047a06
13407ac027
1425a15046
1517456236
hexf2248e6

253905126 has 16 divisors (see below), whose sum is σ = 507978864. Its totient is φ = 84606944.

The previous prime is 253905109. The next prime is 253905133. The reversal of 253905126 is 621509352.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 21400 + ... + 31076.

It is an arithmetic number, because the mean of its divisors is an integer number (31748679).

Almost surely, 2253905126 is an apocalyptic number.

253905126 is an abundant number, since it is smaller than the sum of its proper divisors (254073738).

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

253905126 is a wasteful number, since it uses less digits than its factorization.

253905126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14055.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 253905126 is about 15934.4007104127. The cubic root of 253905126 is about 633.2236929935.

The spelling of 253905126 in words is "two hundred fifty-three million, nine hundred five thousand, one hundred twenty-six".

Divisors: 1 2 3 6 4373 8746 9677 13119 19354 26238 29031 58062 42317521 84635042 126952563 253905126