Search a number
-
+
880287081 = 31719908449
BaseRepresentation
bin110100011110000…
…001110101101001
32021100102012212020
4310132001311221
53300323141311
6223203335053
730546213432
oct6436016551
92240365766
10880287081
11411998793
12206981489
131104b3b3b
1484ca8489
1552435c06
hex34781d69

880287081 has 16 divisors (see below), whose sum is σ = 1308168000. Its totient is φ = 523266048.

The previous prime is 880287041. The next prime is 880287113. The reversal of 880287081 is 180782088.

It is a happy number.

880287081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 880287081 - 211 = 880285033 is a prime.

It is a super-2 number, since 2×8802870812 = 1549810689951001122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (880287011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 453256 + ... + 455193.

It is an arithmetic number, because the mean of its divisors is an integer number (81760500).

Almost surely, 2880287081 is an apocalyptic number.

It is an amenable number.

880287081 is a deficient number, since it is larger than the sum of its proper divisors (427880919).

880287081 is a wasteful number, since it uses less digits than its factorization.

880287081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908488.

The product of its (nonzero) digits is 57344, while the sum is 42.

The square root of 880287081 is about 29669.6323030805. The cubic root of 880287081 is about 958.3881665681.

The spelling of 880287081 in words is "eight hundred eighty million, two hundred eighty-seven thousand, eighty-one".

Divisors: 1 3 17 19 51 57 323 969 908449 2725347 15443633 17260531 46330899 51781593 293429027 880287081