Search a number
-
+
97887 = 367487
BaseRepresentation
bin10111111001011111
311222021110
4113321133
511113022
62033103
7555246
oct277137
9158243
1097887
11675a9
1248793
133572a
142795d
151e00c
hex17e5f

97887 has 8 divisors (see below), whose sum is σ = 132736. Its totient is φ = 64152.

The previous prime is 97883. The next prime is 97919. The reversal of 97887 is 78879.

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

It is not a de Polignac number, because 97887 - 22 = 97883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 97887.

It is not an unprimeable number, because it can be changed into a prime (97883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43 + ... + 444.

It is an arithmetic number, because the mean of its divisors is an integer number (16592).

297887 is an apocalyptic number.

97887 is a deficient number, since it is larger than the sum of its proper divisors (34849).

97887 is a wasteful number, since it uses less digits than its factorization.

97887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557.

The product of its digits is 28224, while the sum is 39.

The square root of 97887 is about 312.8689821635. The cubic root of 97887 is about 46.0866357209.

The spelling of 97887 in words is "ninety-seven thousand, eight hundred eighty-seven".

Divisors: 1 3 67 201 487 1461 32629 97887