Search a number
-
+
20088807 = 319135059
BaseRepresentation
bin100110010100…
…0011111100111
31101210121122220
41030220133213
520120320212
61554323423
7332515644
oct114503747
941717586
1020088807
1110381022
126889573
13421498b
14294cdcb
151b6c38c
hex13287e7

20088807 has 8 divisors (see below), whose sum is σ = 26926080. Its totient is φ = 13322040.

The previous prime is 20088779. The next prime is 20088823. The reversal of 20088807 is 70888002.

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

It is not a de Polignac number, because 20088807 - 218 = 19826663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20088707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16957 + ... + 18102.

It is an arithmetic number, because the mean of its divisors is an integer number (3365760).

Almost surely, 220088807 is an apocalyptic number.

20088807 is a deficient number, since it is larger than the sum of its proper divisors (6837273).

20088807 is a wasteful number, since it uses less digits than its factorization.

20088807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35253.

The product of its (nonzero) digits is 7168, while the sum is 33.

The square root of 20088807 is about 4482.0538818716. The cubic root of 20088807 is about 271.8429339378.

The spelling of 20088807 in words is "twenty million, eighty-eight thousand, eight hundred seven".

Divisors: 1 3 191 573 35059 105177 6696269 20088807