Search a number
-
+
8987285 = 51994603
BaseRepresentation
bin100010010010…
…001010010101
3121220121020102
4202102022111
54300043120
6520343445
7136250666
oct42221225
917817212
108987285
11508930a
123014b85
131b28928
14129d36d
15bc7d75
hex892295

8987285 has 8 divisors (see below), whose sum is σ = 11352480. Its totient is φ = 6811344.

The previous prime is 8987269. The next prime is 8987287. The reversal of 8987285 is 5827898.

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

It is a cyclic number.

It is not a de Polignac number, because 8987285 - 24 = 8987269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8987287) 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, 47207 + ... + 47396.

It is an arithmetic number, because the mean of its divisors is an integer number (1419060).

Almost surely, 28987285 is an apocalyptic number.

It is an amenable number.

8987285 is a deficient number, since it is larger than the sum of its proper divisors (2365195).

8987285 is a wasteful number, since it uses less digits than its factorization.

8987285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94627.

The product of its digits is 322560, while the sum is 47.

The square root of 8987285 is about 2997.8800843263. The cubic root of 8987285 is about 207.9103795986.

The spelling of 8987285 in words is "eight million, nine hundred eighty-seven thousand, two hundred eighty-five".

Divisors: 1 5 19 95 94603 473015 1797457 8987285