Search a number
-
+
10387706 = 272105997
BaseRepresentation
bin100111101000…
…000011111010
3201112202020212
4213220003322
510124401311
61010351122
7154202600
oct47500372
921482225
1010387706
11595548a
12358b4a2
1321c9194
141545870
15da2c8b
hex9e80fa

10387706 has 12 divisors (see below), whose sum is σ = 18125658. Its totient is φ = 4451832.

The previous prime is 10387703. The next prime is 10387721. The reversal of 10387706 is 60778301.

It is a happy number.

10387706 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., 9357481 + 1030225 = 3059^2 + 1015^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10387703) 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, 52901 + ... + 53096.

Almost surely, 210387706 is an apocalyptic number.

10387706 is a deficient number, since it is larger than the sum of its proper divisors (7737952).

10387706 is a wasteful number, since it uses less digits than its factorization.

10387706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106013 (or 106006 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 10387706 is about 3222.9964318938. The cubic root of 10387706 is about 218.1925325441.

The spelling of 10387706 in words is "ten million, three hundred eighty-seven thousand, seven hundred six".

Divisors: 1 2 7 14 49 98 105997 211994 741979 1483958 5193853 10387706