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254680252 = 22312053873
BaseRepresentation
bin11110010111000…
…01110010111100
3122202020002121221
433023201302330
51010144232002
641134403124
76211514011
oct1713416274
9582202557
10254680252
11120840052
12713604a4
13409c0a98
1425b77708
151755ac37
hexf2e1cbc

254680252 has 12 divisors (see below), whose sum is σ = 460067776. Its totient is φ = 123232320.

The previous prime is 254680243. The next prime is 254680253. The reversal of 254680252 is 252086452.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254680253) 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, 1026813 + ... + 1027060.

Almost surely, 2254680252 is an apocalyptic number.

It is an amenable number.

254680252 is a deficient number, since it is larger than the sum of its proper divisors (205387524).

254680252 is a wasteful number, since it uses less digits than its factorization.

254680252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053908 (or 2053906 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 254680252 is about 15958.7045840193. The cubic root of 254680252 is about 633.8674105003.

The spelling of 254680252 in words is "two hundred fifty-four million, six hundred eighty thousand, two hundred fifty-two".

Divisors: 1 2 4 31 62 124 2053873 4107746 8215492 63670063 127340126 254680252