Search a number
-
+
20107371 = 36702457
BaseRepresentation
bin100110010110…
…1000001101011
31101211120010110
41030231001223
520121413441
61554545403
7332624034
oct114550153
941746113
1020107371
1110393a69
126898263
13422026b
142955a8b
151b72b16
hex132d06b

20107371 has 4 divisors (see below), whose sum is σ = 26809832. Its totient is φ = 13404912.

The previous prime is 20107363. The next prime is 20107393. The reversal of 20107371 is 17370102.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20107371 - 23 = 20107363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20107361) 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, 3351226 + ... + 3351231.

It is an arithmetic number, because the mean of its divisors is an integer number (6702458).

Almost surely, 220107371 is an apocalyptic number.

20107371 is a deficient number, since it is larger than the sum of its proper divisors (6702461).

20107371 is an equidigital number, since it uses as much as digits as its factorization.

20107371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6702460.

The product of its (nonzero) digits is 294, while the sum is 21.

The square root of 20107371 is about 4484.1243292308. The cubic root of 20107371 is about 271.9266445424.

Adding to 20107371 its reverse (17370102), we get a palindrome (37477473).

The spelling of 20107371 in words is "twenty million, one hundred seven thousand, three hundred seventy-one".

Divisors: 1 3 6702457 20107371