Search a number
-
+
20328035 = 5713431039
BaseRepresentation
bin100110110001…
…0111001100011
31102020202211012
41031202321203
520200444120
62003411135
7334533260
oct115427143
942222735
1020328035
1110524832
126983aab
134299830
1429b2267
151bb81c5
hex1362e63

20328035 has 32 divisors (see below), whose sum is σ = 30750720. Its totient is φ = 12555648.

The previous prime is 20328029. The next prime is 20328041. The reversal of 20328035 is 53082302.

It is an interprime number because it is at equal distance from previous prime (20328029) and next prime (20328041).

It is not a de Polignac number, because 20328035 - 210 = 20327011 is a prime.

It is a super-2 number, since 2×203280352 = 826458013922450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20328035.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19046 + ... + 20084.

It is an arithmetic number, because the mean of its divisors is an integer number (960960).

Almost surely, 220328035 is an apocalyptic number.

20328035 is a deficient number, since it is larger than the sum of its proper divisors (10422685).

20328035 is a wasteful number, since it uses less digits than its factorization.

20328035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 20328035 is about 4508.6622184413. The cubic root of 20328035 is about 272.9177611465.

The spelling of 20328035 in words is "twenty million, three hundred twenty-eight thousand, thirty-five".

Divisors: 1 5 7 13 35 43 65 91 215 301 455 559 1039 1505 2795 3913 5195 7273 13507 19565 36365 44677 67535 94549 223385 312739 472745 580801 1563695 2904005 4065607 20328035