Search a number
-
+
553688138 = 2535223473
BaseRepresentation
bin100001000000001…
…001110001001010
31102120212021100002
4201000021301022
52113221010023
6130535243002
716502162063
oct4100116112
91376767302
10553688138
112645a7103
12135519462
138a932123
145376d56a
1533920b28
hex21009c4a

553688138 has 8 divisors (see below), whose sum is σ = 846202788. Its totient is φ = 271620544.

The previous prime is 553688111. The next prime is 553688183. The reversal of 553688138 is 831886355.

It can be written as a sum of positive squares in 2 ways, for example, as 527299369 + 26388769 = 22963^2 + 5137^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 553688092 and 553688101.

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, 2611631 + ... + 2611842.

Almost surely, 2553688138 is an apocalyptic number.

553688138 is a deficient number, since it is larger than the sum of its proper divisors (292514650).

553688138 is a wasteful number, since it uses less digits than its factorization.

553688138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5223528.

The product of its digits is 691200, while the sum is 47.

The square root of 553688138 is about 23530.5787859117. The cubic root of 553688138 is about 821.1485679320.

The spelling of 553688138 in words is "five hundred fifty-three million, six hundred eighty-eight thousand, one hundred thirty-eight".

Divisors: 1 2 53 106 5223473 10446946 276844069 553688138