Search a number
-
+
253878334 = 2127999521
BaseRepresentation
bin11110010000111…
…10000000111110
3122200201100121021
433020132000332
51004443101314
641105254354
76201634033
oct1710360076
9580640537
10253878334
11120342606
12710343ba
134079ca88
1425a0938a
151744d324
hexf21e03e

253878334 has 8 divisors (see below), whose sum is σ = 383816448. Its totient is φ = 125939520.

The previous prime is 253878329. The next prime is 253878337. The reversal of 253878334 is 433878352.

253878334 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253878337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 499507 + ... + 500014.

It is an arithmetic number, because the mean of its divisors is an integer number (47977056).

Almost surely, 2253878334 is an apocalyptic number.

253878334 is a deficient number, since it is larger than the sum of its proper divisors (129938114).

253878334 is a wasteful number, since it uses less digits than its factorization.

253878334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999650.

The product of its digits is 483840, while the sum is 43.

The square root of 253878334 is about 15933.5599914143. The cubic root of 253878334 is about 633.2014196793.

The spelling of 253878334 in words is "two hundred fifty-three million, eight hundred seventy-eight thousand, three hundred thirty-four".

Divisors: 1 2 127 254 999521 1999042 126939167 253878334