Search a number
-
+
20273419 = 233312663
BaseRepresentation
bin100110101010…
…1100100001011
31102010222220101
41031111210023
520142222134
62002310231
7334215115
oct115254413
942128811
1020273419
11104977a1
126958377
13427aa0a
14299a3b5
151ba6e14
hex135590b

20273419 has 8 divisors (see below), whose sum is σ = 21226752. Its totient is φ = 19326120.

The previous prime is 20273417. The next prime is 20273431. The reversal of 20273419 is 91437202.

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 20273419 - 21 = 20273417 is a prime.

It is a super-2 number, since 2×202734192 = 822023035899122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20273413) 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, 6282 + ... + 8944.

It is an arithmetic number, because the mean of its divisors is an integer number (2653344).

Almost surely, 220273419 is an apocalyptic number.

20273419 is a deficient number, since it is larger than the sum of its proper divisors (953333).

20273419 is a wasteful number, since it uses less digits than its factorization.

20273419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3017.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 20273419 is about 4502.6013592145. The cubic root of 20273419 is about 272.6731228823.

The spelling of 20273419 in words is "twenty million, two hundred seventy-three thousand, four hundred nineteen".

Divisors: 1 23 331 2663 7613 61249 881453 20273419