Search a number
-
+
21710483 = 198811297
BaseRepresentation
bin101001011010…
…0011010010011
31111212000011222
41102310122103
521024213413
62053155255
7352351604
oct122643223
944760158
1021710483
1111289453
12732bb2b
134661b52
142c51dab
151d8cb08
hex14b4693

21710483 has 8 divisors (see below), whose sum is σ = 22896720. Its totient is φ = 20528640.

The previous prime is 21710471. The next prime is 21710503. The reversal of 21710483 is 38401712.

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 21710483 - 212 = 21706387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21710383) 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, 16091 + ... + 17387.

It is an arithmetic number, because the mean of its divisors is an integer number (2862090).

Almost surely, 221710483 is an apocalyptic number.

21710483 is a deficient number, since it is larger than the sum of its proper divisors (1186237).

21710483 is a wasteful number, since it uses less digits than its factorization.

21710483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2197.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 21710483 is about 4659.4509333182. The cubic root of 21710483 is about 278.9693529712.

The spelling of 21710483 in words is "twenty-one million, seven hundred ten thousand, four hundred eighty-three".

Divisors: 1 19 881 1297 16739 24643 1142657 21710483