Search a number
-
+
20048060 = 2251002403
BaseRepresentation
bin100110001111…
…0100010111100
31101201112202202
41030132202330
520113014220
61553411032
7332256104
oct114364274
941645682
1020048060
111035344a
126869a78
1341cc276
14293c204
151b60275
hex131e8bc

20048060 has 12 divisors (see below), whose sum is σ = 42100968. Its totient is φ = 8019216.

The previous prime is 20048047. The next prime is 20048081. The reversal of 20048060 is 6084002.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 1002403 = 20048060 / (2 + 0 + 0 + 4 + 8 + 0 + 6 + 0).

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 3 ways as a sum of consecutive naturals, for example, 501182 + ... + 501221.

It is an arithmetic number, because the mean of its divisors is an integer number (3508414).

Almost surely, 220048060 is an apocalyptic number.

20048060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20048060 is an abundant number, since it is smaller than the sum of its proper divisors (22052908).

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

20048060 is a wasteful number, since it uses less digits than its factorization.

20048060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002412 (or 1002410 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 20048060 is about 4477.5060022294. The cubic root of 20048060 is about 271.6590125854.

The spelling of 20048060 in words is "twenty million, forty-eight thousand, sixty".

Divisors: 1 2 4 5 10 20 1002403 2004806 4009612 5012015 10024030 20048060