Search a number
-
+
20092908 = 22311152219
BaseRepresentation
bin100110010100…
…1011111101100
31101210211021210
41030221133230
520120433113
61554354420
7332533623
oct114513754
941724253
1020092908
1110384110
12688ba10
1342167c4
1429506ba
151b6d6c3
hex13297ec

20092908 has 24 divisors (see below), whose sum is σ = 51145920. Its totient is φ = 6088720.

The previous prime is 20092901. The next prime is 20092909. The reversal of 20092908 is 80929002.

It is not an unprimeable number, because it can be changed into a prime (20092901) 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, 75978 + ... + 76241.

It is an arithmetic number, because the mean of its divisors is an integer number (2131080).

Almost surely, 220092908 is an apocalyptic number.

It is an amenable number.

20092908 is an abundant number, since it is smaller than the sum of its proper divisors (31053012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20092908 is a wasteful number, since it uses less digits than its factorization.

20092908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152237 (or 152235 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 20092908 is about 4482.5113496789. The cubic root of 20092908 is about 271.8614310047.

The spelling of 20092908 in words is "twenty million, ninety-two thousand, nine hundred eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 152219 304438 456657 608876 913314 1674409 1826628 3348818 5023227 6697636 10046454 20092908