Search a number
-
+
5780680 = 235178501
BaseRepresentation
bin10110000011010011001000
3101212200121021
4112003103020
52434440210
6323522224
7100064203
oct26032310
911780537
105780680
113299124
121b29374
131275229
14aa693a
15792bda
hex5834c8

5780680 has 32 divisors (see below), whose sum is σ = 13773240. Its totient is φ = 2176000.

The previous prime is 5780633. The next prime is 5780681. The reversal of 5780680 is 860875.

It can be written as a sum of positive squares in 4 ways, for example, as 4137156 + 1643524 = 2034^2 + 1282^2 .

It is a super-2 number, since 2×57806802 = 66832522524800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (5780681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3571 + ... + 4930.

Almost surely, 25780680 is an apocalyptic number.

It is an amenable number.

5780680 is an abundant number, since it is smaller than the sum of its proper divisors (7992560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5780680 is a wasteful number, since it uses less digits than its factorization.

5780680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8529 (or 8525 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 5780680 is about 2404.3044732313. The cubic root of 5780680 is about 179.4704601416.

The spelling of 5780680 in words is "five million, seven hundred eighty thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 8501 17002 34004 42505 68008 85010 144517 170020 289034 340040 578068 722585 1156136 1445170 2890340 5780680