Search a number
-
+
254196243 = 32723317317
BaseRepresentation
bin11110010011010…
…11101000010011
3122201022111200200
433021223220103
51010033234433
641120150243
76204426630
oct1711535023
9581274620
10254196243
1112053a444
1271168383
13408816a2
1425a8d187
15174b2613
hexf26ba13

254196243 has 24 divisors (see below), whose sum is σ = 421450848. Its totient is φ = 144623232.

The previous prime is 254196233. The next prime is 254196251. The reversal of 254196243 is 342691452.

It is a happy number.

254196243 is a `hidden beast` number, since 2 + 541 + 96 + 24 + 3 = 666.

It is not a de Polignac number, because 254196243 - 217 = 254065171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 254196198 and 254196207.

It is not an unprimeable number, because it can be changed into a prime (254196203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6021 + ... + 23337.

It is an arithmetic number, because the mean of its divisors is an integer number (17560452).

Almost surely, 2254196243 is an apocalyptic number.

254196243 is a deficient number, since it is larger than the sum of its proper divisors (167254605).

254196243 is a wasteful number, since it uses less digits than its factorization.

254196243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17563 (or 17560 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 254196243 is about 15943.5329522663. The cubic root of 254196243 is about 633.4656098288.

The spelling of 254196243 in words is "two hundred fifty-four million, one hundred ninety-six thousand, two hundred forty-three".

Divisors: 1 3 7 9 21 63 233 699 1631 2097 4893 14679 17317 51951 121219 155853 363657 1090971 4034861 12104583 28244027 36313749 84732081 254196243