Search a number
-
+
10166631 = 33388877
BaseRepresentation
bin100110110010…
…000101100111
3201010111222220
4212302011213
510100313011
61001523423
7152262216
oct46620547
921114886
1010166631
115814382
1234a3573
13214c677
1414c907d
15d5c506
hex9b2167

10166631 has 4 divisors (see below), whose sum is σ = 13555512. Its totient is φ = 6777752.

The previous prime is 10166627. The next prime is 10166657. The reversal of 10166631 is 13666101.

10166631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13666101 = 34555367.

It is a cyclic number.

It is not a de Polignac number, because 10166631 - 22 = 10166627 is a prime.

It is a super-2 number, since 2×101666312 = 206720771780322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10166671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1694436 + ... + 1694441.

It is an arithmetic number, because the mean of its divisors is an integer number (3388878).

Almost surely, 210166631 is an apocalyptic number.

10166631 is a deficient number, since it is larger than the sum of its proper divisors (3388881).

10166631 is an equidigital number, since it uses as much as digits as its factorization.

10166631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3388880.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 10166631 is about 3188.5154853003. The cubic root of 10166631 is about 216.6335352364.

The spelling of 10166631 in words is "ten million, one hundred sixty-six thousand, six hundred thirty-one".

Divisors: 1 3 3388877 10166631