Search a number
-
+
8097987 = 36074447
BaseRepresentation
bin11110111001000011000011
3120020102100110
4132321003003
54033113422
6445322403
7125555202
oct36710303
916212313
108097987
114631157
122866403
1318a6c11
14110b239
15a9e60c
hex7b90c3

8097987 has 8 divisors (see below), whose sum is σ = 10817536. Its totient is φ = 5388552.

The previous prime is 8097983. The next prime is 8098007. The reversal of 8097987 is 7897908.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8097987 - 22 = 8097983 is a prime.

It is an Ulam number.

It is a Duffinian number.

8097987 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8097983) 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, 403 + ... + 4044.

It is an arithmetic number, because the mean of its divisors is an integer number (1352192).

Almost surely, 28097987 is an apocalyptic number.

8097987 is a deficient number, since it is larger than the sum of its proper divisors (2719549).

8097987 is a wasteful number, since it uses less digits than its factorization.

8097987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5057.

The product of its (nonzero) digits is 254016, while the sum is 48.

The square root of 8097987 is about 2845.6962241251. The cubic root of 8097987 is about 200.8132469978.

The spelling of 8097987 in words is "eight million, ninety-seven thousand, nine hundred eighty-seven".

Divisors: 1 3 607 1821 4447 13341 2699329 8097987