Search a number
-
+
20300232 = 2332929167
BaseRepresentation
bin100110101110…
…0000111001000
31102012100200110
41031130013020
520144101412
62003034320
7334356231
oct115340710
942170613
1020300232
1110505957
12696b9a0
134289c94
1429a6088
151baed3c
hex135c1c8

20300232 has 32 divisors (see below), whose sum is σ = 52502400. Its totient is φ = 6533184.

The previous prime is 20300201. The next prime is 20300233. The reversal of 20300232 is 23200302.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (20300233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13888 + ... + 15279.

It is an arithmetic number, because the mean of its divisors is an integer number (1640700).

Almost surely, 220300232 is an apocalyptic number.

It is an amenable number.

20300232 is an abundant number, since it is smaller than the sum of its proper divisors (32202168).

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

20300232 is a wasteful number, since it uses less digits than its factorization.

20300232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29205 (or 29201 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 20300232 is about 4505.5778763661. The cubic root of 20300232 is about 272.7932796193.

Adding to 20300232 its reverse (23200302), we get a palindrome (43500534).

The spelling of 20300232 in words is "twenty million, three hundred thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 29 58 87 116 174 232 348 696 29167 58334 87501 116668 175002 233336 350004 700008 845843 1691686 2537529 3383372 5075058 6766744 10150116 20300232