Search a number
-
+
20190294 = 2328771279
BaseRepresentation
bin100110100000…
…1010001010110
31101222202212200
41031001101112
520132042134
62000425330
7333420555
oct115012126
941882780
1020190294
11104402a3
126918246
13424bc27
142977d9c
151b8c499
hex1341456

20190294 has 24 divisors (see below), whose sum is σ = 43829760. Its totient is φ = 6717168.

The previous prime is 20190277. The next prime is 20190299. The reversal of 20190294 is 49209102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20190299) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15147 + ... + 16425.

It is an arithmetic number, because the mean of its divisors is an integer number (1826240).

Almost surely, 220190294 is an apocalyptic number.

20190294 is an abundant number, since it is smaller than the sum of its proper divisors (23639466).

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

20190294 is a wasteful number, since it uses less digits than its factorization.

20190294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2164 (or 2161 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 20190294 is about 4493.3611027826. The cubic root of 20190294 is about 272.2999412566.

Adding to 20190294 its reverse (49209102), we get a palindrome (69399396).

The spelling of 20190294 in words is "twenty million, one hundred ninety thousand, two hundred ninety-four".

Divisors: 1 2 3 6 9 18 877 1279 1754 2558 2631 3837 5262 7674 7893 11511 15786 23022 1121683 2243366 3365049 6730098 10095147 20190294