Search a number
-
+
20962051 = 115932299
BaseRepresentation
bin100111111110…
…1101100000011
31110102222112021
41033331230003
520331241201
62025142311
7343113565
oct117755403
943388467
1020962051
1110918110
12702a997
13445c2a6
142ad9335
151c90ea1
hex13fdb03

20962051 has 8 divisors (see below), whose sum is σ = 23256000. Its totient is φ = 18732840.

The previous prime is 20962033. The next prime is 20962061. The reversal of 20962051 is 15026902.

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

It is a cyclic number.

It is not a de Polignac number, because 20962051 - 219 = 20437763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20962031) 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, 15501 + ... + 16798.

It is an arithmetic number, because the mean of its divisors is an integer number (2907000).

Almost surely, 220962051 is an apocalyptic number.

20962051 is a deficient number, since it is larger than the sum of its proper divisors (2293949).

20962051 is a wasteful number, since it uses less digits than its factorization.

20962051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32369.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 20962051 is about 4578.4332473020. The cubic root of 20962051 is about 275.7261294736.

Adding to 20962051 its reverse (15026902), we get a palindrome (35988953).

The spelling of 20962051 in words is "twenty million, nine hundred sixty-two thousand, fifty-one".

Divisors: 1 11 59 649 32299 355289 1905641 20962051