Search a number
-
+
287072075 = 5211482883
BaseRepresentation
bin10001000111000…
…101111101001011
3202000011202212002
4101013011331023
51041442301300
644252541215
710054033553
oct2107057513
9660152762
10287072075
11138054554
128018180b
1347622644
142a1aa163
151a3085d5
hex111c5f4b

287072075 has 6 divisors (see below), whose sum is σ = 355969404. Its totient is φ = 229657640.

The previous prime is 287072069. The next prime is 287072089. The reversal of 287072075 is 570270782.

It is not a de Polignac number, because 287072075 - 28 = 287071819 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5741417 + ... + 5741466.

It is an arithmetic number, because the mean of its divisors is an integer number (59328234).

Almost surely, 2287072075 is an apocalyptic number.

287072075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

287072075 is a deficient number, since it is larger than the sum of its proper divisors (68897329).

287072075 is a wasteful number, since it uses less digits than its factorization.

287072075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11482893 (or 11482888 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 38.

The square root of 287072075 is about 16943.2014389253. The cubic root of 287072075 is about 659.6754411264.

The spelling of 287072075 in words is "two hundred eighty-seven million, seventy-two thousand, seventy-five".

Divisors: 1 5 25 11482883 57414415 287072075