Search a number
-
+
9073881 = 321008209
BaseRepresentation
bin100010100111…
…010011011001
3122002000000200
4202213103121
54310331011
6522252413
7140061315
oct42472331
918060020
109073881
115138383
123057109
131b5917b
1412c2b45
15be3856
hex8a74d9

9073881 has 6 divisors (see below), whose sum is σ = 13106730. Its totient is φ = 6049248.

The previous prime is 9073879. The next prime is 9073913. The reversal of 9073881 is 1883709.

9073881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7952400 + 1121481 = 2820^2 + 1059^2 .

It is not a de Polignac number, because 9073881 - 21 = 9073879 is a prime.

It is a super-2 number, since 2×90738812 = 164670632804322, which contains 22 as substring.

9073881 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9073381) 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, 504096 + ... + 504113.

It is an arithmetic number, because the mean of its divisors is an integer number (2184455).

Almost surely, 29073881 is an apocalyptic number.

It is an amenable number.

9073881 is a deficient number, since it is larger than the sum of its proper divisors (4032849).

9073881 is a wasteful number, since it uses less digits than its factorization.

9073881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008215 (or 1008212 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 9073881 is about 3012.2883328128. The cubic root of 9073881 is about 208.5760121726.

The spelling of 9073881 in words is "nine million, seventy-three thousand, eight hundred eighty-one".

Divisors: 1 3 9 1008209 3024627 9073881