Search a number
-
+
20423062 = 2111948859
BaseRepresentation
bin100110111101…
…0000110010110
31102102121011201
41031322012112
520212014222
62005423114
7335410312
oct115720626
942377151
1020423062
111058a170
126a0aa9a
134300b6a
1429d8b42
151bd6427
hex137a196

20423062 has 16 divisors (see below), whose sum is σ = 35179200. Its totient is φ = 8794440.

The previous prime is 20423041. The next prime is 20423071. The reversal of 20423062 is 26032402.

It is a super-2 number, since 2×204230622 = 834202922911688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 24012 + ... + 24847.

It is an arithmetic number, because the mean of its divisors is an integer number (2198700).

Almost surely, 220423062 is an apocalyptic number.

20423062 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20423062 is a deficient number, since it is larger than the sum of its proper divisors (14756138).

20423062 is a wasteful number, since it uses less digits than its factorization.

20423062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48891.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 20423062 is about 4519.1882014362. The cubic root of 20423062 is about 273.3423676702.

Adding to 20423062 its reverse (26032402), we get a palindrome (46455464).

The spelling of 20423062 in words is "twenty million, four hundred twenty-three thousand, sixty-two".

Divisors: 1 2 11 19 22 38 209 418 48859 97718 537449 928321 1074898 1856642 10211531 20423062