Search a number
-
+
20794260 = 22351133067
BaseRepresentation
bin100111101010…
…0101110010100
31110010110100210
41033110232110
520310404020
62021405420
7341514444
oct117245624
943113323
1020794260
1110813043
126b69870
134400ac6
142a94124
151c5b3e0
hex13d4b94

20794260 has 48 divisors (see below), whose sum is σ = 58758336. Its totient is φ = 5494272.

The previous prime is 20794253. The next prime is 20794283. The reversal of 20794260 is 6249702.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5247 + ... + 8313.

It is an arithmetic number, because the mean of its divisors is an integer number (1224132).

Almost surely, 220794260 is an apocalyptic number.

20794260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20794260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29379168).

20794260 is an abundant number, since it is smaller than the sum of its proper divisors (37964076).

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

20794260 is a wasteful number, since it uses less digits than its factorization.

20794260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3192 (or 3190 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 20794260 is about 4560.0723678468. The cubic root of 20794260 is about 274.9884733461.

The spelling of 20794260 in words is "twenty million, seven hundred ninety-four thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 113 226 339 452 565 678 1130 1356 1695 2260 3067 3390 6134 6780 9201 12268 15335 18402 30670 36804 46005 61340 92010 184020 346571 693142 1039713 1386284 1732855 2079426 3465710 4158852 5198565 6931420 10397130 20794260