Search a number
-
+
194888860 = 2259744443
BaseRepresentation
bin10111001110111…
…00010010011100
3111120201101020221
423213130102130
5344342420420
631201051124
74554346045
oct1347342234
9446641227
10194888860
11a0011981
1255326aa4
13314b7a6a
141bc518cc
1512199caa
hexb9dc49c

194888860 has 12 divisors (see below), whose sum is σ = 409266648. Its totient is φ = 77955536.

The previous prime is 194888851. The next prime is 194888873. The reversal of 194888860 is 68888491.

It is a junction number, because it is equal to n+sod(n) for n = 194888798 and 194888807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4872202 + ... + 4872241.

It is an arithmetic number, because the mean of its divisors is an integer number (34105554).

Almost surely, 2194888860 is an apocalyptic number.

194888860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194888860 is an abundant number, since it is smaller than the sum of its proper divisors (214377788).

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

194888860 is a wasteful number, since it uses less digits than its factorization.

194888860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9744452 (or 9744450 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 52.

The square root of 194888860 is about 13960.2600262316. The cubic root of 194888860 is about 579.7788098307.

The spelling of 194888860 in words is "one hundred ninety-four million, eight hundred eighty-eight thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 9744443 19488886 38977772 48722215 97444430 194888860