Search a number
-
+
20254024 = 237361679
BaseRepresentation
bin100110101000…
…0110101001000
31102010000022001
41031100311020
520141112044
62002040344
7334104430
oct115206510
942100261
1020254024
111048416a
1269490b4
134271c3b
1429932c0
151ba12d4
hex1350d48

20254024 has 16 divisors (see below), whose sum is σ = 43401600. Its totient is φ = 8680272.

The previous prime is 20254009. The next prime is 20254049. The reversal of 20254024 is 42045202.

It is a junction number, because it is equal to n+sod(n) for n = 20253992 and 20254010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180784 + ... + 180895.

It is an arithmetic number, because the mean of its divisors is an integer number (2712600).

Almost surely, 220254024 is an apocalyptic number.

It is an amenable number.

20254024 is an abundant number, since it is smaller than the sum of its proper divisors (23147576).

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

20254024 is a wasteful number, since it uses less digits than its factorization.

20254024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361692 (or 361688 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 20254024 is about 4500.4470889013. The cubic root of 20254024 is about 272.5861422803.

Adding to 20254024 its reverse (42045202), we get a palindrome (62299226).

The spelling of 20254024 in words is "twenty million, two hundred fifty-four thousand, twenty-four".

Divisors: 1 2 4 7 8 14 28 56 361679 723358 1446716 2531753 2893432 5063506 10127012 20254024