Search a number
-
+
19000368 = 2432131947
BaseRepresentation
bin100100001111…
…0110000110000
31022202022121100
41020132300300
514331002433
61515124400
7320333442
oct110366060
938668540
1019000368
11a7a8292
126443700
133c2342a
142748492
151a04b13
hex121ec30

19000368 has 30 divisors (see below), whose sum is σ = 53175044. Its totient is φ = 6333408.

The previous prime is 19000363. The next prime is 19000391. The reversal of 19000368 is 86300091.

It is a super-2 number, since 2×190003682 = 722027968270848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19000363) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65830 + ... + 66117.

Almost surely, 219000368 is an apocalyptic number.

19000368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

19000368 is an abundant number, since it is smaller than the sum of its proper divisors (34174676).

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

19000368 is a wasteful number, since it uses less digits than its factorization.

19000368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131961 (or 131952 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 19000368 is about 4358.9411558313. The cubic root of 19000368 is about 266.8418876186.

The spelling of 19000368 in words is "nineteen million, three hundred sixty-eight", and thus it is an aban number.

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 131947 263894 395841 527788 791682 1055576 1187523 1583364 2111152 2375046 3166728 4750092 6333456 9500184 19000368