Search a number
-
+
10805012 = 222819613
BaseRepresentation
bin101001001101…
…111100010100
3202022221200122
4221031330110
510231230022
61023331112
7160561331
oct51157424
922287618
1010805012
11610aa69
123750a98
1323140ca
141613988
15e36742
hexa4df14

10805012 has 12 divisors (see below), whose sum is σ = 18978036. Its totient is φ = 5382720.

The previous prime is 10804931. The next prime is 10805021. The reversal of 10805012 is 21050801.

10805012 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 2 ways, for example, as 9647236 + 1157776 = 3106^2 + 1076^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3683 + ... + 5930.

It is an arithmetic number, because the mean of its divisors is an integer number (1581503).

Almost surely, 210805012 is an apocalyptic number.

It is an amenable number.

10805012 is a deficient number, since it is larger than the sum of its proper divisors (8173024).

10805012 is a wasteful number, since it uses less digits than its factorization.

10805012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9898 (or 9896 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 10805012 is about 3287.0978080976. The cubic root of 10805012 is about 221.0760779005.

Adding to 10805012 its reverse (21050801), we get a palindrome (31855813).

The spelling of 10805012 in words is "ten million, eight hundred five thousand, twelve".

Divisors: 1 2 4 281 562 1124 9613 19226 38452 2701253 5402506 10805012