Search a number
-
+
227881968 = 24317592699
BaseRepresentation
bin11011001010100…
…11001111110000
3120212210121021220
431211103033300
5431314210333
634340145040
75434651626
oct1545231760
9525717256
10227881968
111076a7106
1264398180
133829a202
142239d516
15150158b3
hexd9533f0

227881968 has 40 divisors (see below), whose sum is σ = 589248000. Its totient is φ = 75889344.

The previous prime is 227881963. The next prime is 227882051. The reversal of 227881968 is 869188722.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 227881968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227881963) 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, 83083 + ... + 85781.

It is an arithmetic number, because the mean of its divisors is an integer number (14731200).

Almost surely, 2227881968 is an apocalyptic number.

It is an amenable number.

227881968 is an abundant number, since it is smaller than the sum of its proper divisors (361366032).

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

227881968 is a wasteful number, since it uses less digits than its factorization.

227881968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4469 (or 4463 counting only the distinct ones).

The product of its digits is 774144, while the sum is 51.

The square root of 227881968 is about 15095.7599344982. The cubic root of 227881968 is about 610.8060364909.

The spelling of 227881968 in words is "two hundred twenty-seven million, eight hundred eighty-one thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 1759 2699 3518 5277 5398 7036 8097 10554 10796 14072 16194 21108 21592 28144 32388 42216 43184 64776 84432 129552 4747541 9495082 14242623 18990164 28485246 37980328 56970492 75960656 113940984 227881968