Search a number
-
+
8087087 = 17227983
BaseRepresentation
bin11110110110011000101111
3120012212101202
4132312120233
54032241322
6445200115
7125511341
oct36663057
916185352
108087087
114623a48
12286003b
1318a1c78
141107291
15a9b292
hex7b662f

8087087 has 6 divisors (see below), whose sum is σ = 8591088. Its totient is φ = 7611104.

The previous prime is 8087081. The next prime is 8087089. The reversal of 8087087 is 7807808.

It is not a de Polignac number, because 8087087 - 210 = 8086063 is a prime.

It is a super-2 number, since 2×80870872 = 130801952291138, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8087087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8087081) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13703 + ... + 14280.

It is an arithmetic number, because the mean of its divisors is an integer number (1431848).

Almost surely, 28087087 is an apocalyptic number.

8087087 is a deficient number, since it is larger than the sum of its proper divisors (504001).

8087087 is a wasteful number, since it uses less digits than its factorization.

8087087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28017 (or 28000 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 38.

The square root of 8087087 is about 2843.7804064308. The cubic root of 8087087 is about 200.7231074274.

The spelling of 8087087 in words is "eight million, eighty-seven thousand, eighty-seven".

Divisors: 1 17 289 27983 475711 8087087