Search a number
-
+
272680136 = 23172005001
BaseRepresentation
bin10000010000001…
…100010011001000
3201000002120211022
4100100030103020
51024301231021
643020252012
76520512551
oct2020142310
9630076738
10272680136
1112aa14693
12773a1008
13446539c1
1428301328
1518e141ab
hex1040c4c8

272680136 has 16 divisors (see below), whose sum is σ = 541350540. Its totient is φ = 128320000.

The previous prime is 272680129. The next prime is 272680139. The reversal of 272680136 is 631086272.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 228191236 + 44488900 = 15106^2 + 6670^2 .

It is a junction number, because it is equal to n+sod(n) for n = 272680096 and 272680105.

It is not an unprimeable number, because it can be changed into a prime (272680139) 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, 1002365 + ... + 1002636.

Almost surely, 2272680136 is an apocalyptic number.

It is an amenable number.

272680136 is a deficient number, since it is larger than the sum of its proper divisors (268670404).

272680136 is a wasteful number, since it uses less digits than its factorization.

272680136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005024 (or 2005020 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 272680136 is about 16513.0292799353. The cubic root of 272680136 is about 648.4619540409.

The spelling of 272680136 in words is "two hundred seventy-two million, six hundred eighty thousand, one hundred thirty-six".

Divisors: 1 2 4 8 17 34 68 136 2005001 4010002 8020004 16040008 34085017 68170034 136340068 272680136