Search a number
-
+
16860190 = 253494831
BaseRepresentation
bin100000001010…
…0010000011110
31011201120211111
41000110100132
513304011230
61401212234
7263211034
oct100242036
934646744
1016860190
119576346
12579107a
133654259
14234c554
15173092a
hex101441e

16860190 has 16 divisors (see below), whose sum is σ = 30441600. Its totient is φ = 6723360.

The previous prime is 16860167. The next prime is 16860191. The reversal of 16860190 is 9106861.

It is a happy number.

It is a super-2 number, since 2×168601902 = 568532013672200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16860191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1075 + ... + 5905.

It is an arithmetic number, because the mean of its divisors is an integer number (1902600).

Almost surely, 216860190 is an apocalyptic number.

16860190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16860190 is a deficient number, since it is larger than the sum of its proper divisors (13581410).

16860190 is a wasteful number, since it uses less digits than its factorization.

16860190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5187.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 16860190 is about 4106.1161698130. The cubic root of 16860190 is about 256.4213337616.

The spelling of 16860190 in words is "sixteen million, eight hundred sixty thousand, one hundred ninety".

Divisors: 1 2 5 10 349 698 1745 3490 4831 9662 24155 48310 1686019 3372038 8430095 16860190