Search a number
-
+
254143992 = 23310589333
BaseRepresentation
bin11110010010111…
…10110111111000
3122201012212000110
433021132313320
51010030101432
641115104320
76204121404
oct1711366770
9581185013
10254143992
11120504163
12711420a0
134086397b
1425a78104
15174a1dcc
hexf25edf8

254143992 has 16 divisors (see below), whose sum is σ = 635360040. Its totient is φ = 84714656.

The previous prime is 254143949. The next prime is 254144029. The reversal of 254143992 is 299341452.

254143992 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 254143992.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5294643 + ... + 5294690.

Almost surely, 2254143992 is an apocalyptic number.

It is an amenable number.

254143992 is an abundant number, since it is smaller than the sum of its proper divisors (381216048).

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

254143992 is a wasteful number, since it uses less digits than its factorization.

254143992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10589342 (or 10589338 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 254143992 is about 15941.8942412751. The cubic root of 254143992 is about 633.4222031032.

The spelling of 254143992 in words is "two hundred fifty-four million, one hundred forty-three thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 24 10589333 21178666 31767999 42357332 63535998 84714664 127071996 254143992