Search a number
-
+
20270526 = 237434547
BaseRepresentation
bin100110101010…
…0110110111110
31102010211221020
41031110312332
520142124101
62002245010
7334203513
oct115246676
942124836
1020270526
1110495601
126956766
1342795c3
14299930a
151ba6136
hex1354dbe

20270526 has 16 divisors (see below), whose sum is σ = 40604544. Its totient is φ = 6746264.

The previous prime is 20270513. The next prime is 20270527. The reversal of 20270526 is 62507202.

It is a junction number, because it is equal to n+sod(n) for n = 20270496 and 20270505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20270527) 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, 2185 + ... + 6731.

It is an arithmetic number, because the mean of its divisors is an integer number (2537784).

Almost surely, 220270526 is an apocalyptic number.

20270526 is an abundant number, since it is smaller than the sum of its proper divisors (20334018).

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

20270526 is a wasteful number, since it uses less digits than its factorization.

20270526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5295.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 20270526 is about 4502.2800890216. The cubic root of 20270526 is about 272.6601521895.

Adding to 20270526 its reverse (62507202), we get a palindrome (82777728).

The spelling of 20270526 in words is "twenty million, two hundred seventy thousand, five hundred twenty-six".

Divisors: 1 2 3 6 743 1486 2229 4458 4547 9094 13641 27282 3378421 6756842 10135263 20270526