Search a number
-
+
808972 = 22202243
BaseRepresentation
bin11000101100000001100
31112002200221
43011200030
5201341342
625201124
76606343
oct3054014
91462627
10808972
1150287a
123301a4
132242a8
14170b5a
1510ea67
hexc580c

808972 has 6 divisors (see below), whose sum is σ = 1415708. Its totient is φ = 404484.

The previous prime is 808961. The next prime is 808981. The reversal of 808972 is 279808.

It is a happy number.

It is an unprimeable number.

808972 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101118 + ... + 101125.

2808972 is an apocalyptic number.

It is an amenable number.

808972 is a deficient number, since it is larger than the sum of its proper divisors (606736).

808972 is a wasteful number, since it uses less digits than its factorization.

808972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202247 (or 202245 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 808972 is about 899.4287075694. The cubic root of 808972 is about 93.1775234839.

The spelling of 808972 in words is "eight hundred eight thousand, nine hundred seventy-two".

Divisors: 1 2 4 202243 404486 808972