Search a number
-
+
254031125 = 534914139
BaseRepresentation
bin11110010010000…
…11010100010101
3122201000010012012
433021003110111
51010012444000
641112434005
76203141345
oct1711032425
9581003165
10254031125
11120437387
12710a8905
134082449a
1425a48d25
151747d735
hexf243515

254031125 has 16 divisors (see below), whose sum is σ = 317753280. Its totient is φ = 202762000.

The previous prime is 254031091. The next prime is 254031133. The reversal of 254031125 is 521130452.

It is not a de Polignac number, because 254031125 - 26 = 254031061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 254031125.

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 15 ways as a sum of consecutive naturals, for example, 59306 + ... + 63444.

It is an arithmetic number, because the mean of its divisors is an integer number (19859580).

Almost surely, 2254031125 is an apocalyptic number.

254031125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

254031125 is a deficient number, since it is larger than the sum of its proper divisors (63722155).

254031125 is an equidigital number, since it uses as much as digits as its factorization.

254031125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4645 (or 4635 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 254031125 is about 15938.3538986936. The cubic root of 254031125 is about 633.3284202451.

Adding to 254031125 its reverse (521130452), we get a palindrome (775161577).

The spelling of 254031125 in words is "two hundred fifty-four million, thirty-one thousand, one hundred twenty-five".

Divisors: 1 5 25 125 491 2455 4139 12275 20695 61375 103475 517375 2032249 10161245 50806225 254031125