Search a number
-
+
20048112 = 2432719889
BaseRepresentation
bin100110001111…
…0100011110000
31101201112211200
41030132203300
520113014422
61553411200
7332256210
oct114364360
941645750
1020048112
1110353497
126869b00
1341cc2b6
14293c240
151b602ac
hex131e8f0

20048112 has 60 divisors (see below), whose sum is σ = 64125360. Its totient is φ = 5727744.

The previous prime is 20048107. The next prime is 20048113. The reversal of 20048112 is 21184002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20048113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8937 + ... + 10952.

It is an arithmetic number, because the mean of its divisors is an integer number (1068756).

Almost surely, 220048112 is an apocalyptic number.

It is an amenable number.

20048112 is an abundant number, since it is smaller than the sum of its proper divisors (44077248).

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

20048112 is a wasteful number, since it uses less digits than its factorization.

20048112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19910 (or 19901 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 20048112 is about 4477.5118090297. The cubic root of 20048112 is about 271.6592474586.

The spelling of 20048112 in words is "twenty million, forty-eight thousand, one hundred twelve".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 56 63 72 84 112 126 144 168 252 336 504 1008 19889 39778 59667 79556 119334 139223 159112 179001 238668 278446 318224 358002 417669 477336 556892 716004 835338 954672 1113784 1253007 1432008 1670676 2227568 2506014 2864016 3341352 5012028 6682704 10024056 20048112