Search a number
-
+
20106158 = 220874817
BaseRepresentation
bin100110010110…
…0101110101110
31101211111110112
41030230232232
520121344113
61554540022
7332620352
oct114545656
941744415
1020106158
1110393066
126897612
13421c847
142955462
151b725a8
hex132cbae

20106158 has 8 divisors (see below), whose sum is σ = 30179952. Its totient is φ = 10046176.

The previous prime is 20106157. The next prime is 20106167. The reversal of 20106158 is 85160102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20106157) 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, 1766 + ... + 6582.

It is an arithmetic number, because the mean of its divisors is an integer number (3772494).

Almost surely, 220106158 is an apocalyptic number.

20106158 is a deficient number, since it is larger than the sum of its proper divisors (10073794).

20106158 is a wasteful number, since it uses less digits than its factorization.

20106158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6906.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 20106158 is about 4483.9890722436. The cubic root of 20106158 is about 271.9211763379.

The spelling of 20106158 in words is "twenty million, one hundred six thousand, one hundred fifty-eight".

Divisors: 1 2 2087 4174 4817 9634 10053079 20106158