Search a number
-
+
18916050 = 2352126107
BaseRepresentation
bin100100000101…
…0001011010010
31022121000221110
41020022023102
514320303200
61513234150
7316532556
oct110121322
938530843
1018916050
11a74a9aa
126402956
133bc3c3a
142725866
1519d9b50
hex120a2d2

18916050 has 24 divisors (see below), whose sum is σ = 46912176. Its totient is φ = 5044240.

The previous prime is 18916031. The next prime is 18916063. The reversal of 18916050 is 5061981.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 18915999 and 18916017.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62904 + ... + 63203.

It is an arithmetic number, because the mean of its divisors is an integer number (1954674).

Almost surely, 218916050 is an apocalyptic number.

18916050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18916050 is an abundant number, since it is smaller than the sum of its proper divisors (27996126).

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

18916050 is a wasteful number, since it uses less digits than its factorization.

18916050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126122 (or 126117 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 18916050 is about 4349.2585575015. The cubic root of 18916050 is about 266.4465805606.

The spelling of 18916050 in words is "eighteen million, nine hundred sixteen thousand, fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 126107 252214 378321 630535 756642 1261070 1891605 3152675 3783210 6305350 9458025 18916050