Search a number
-
+
19410228 = 22321075039
BaseRepresentation
bin100101000001…
…0110100110100
31100112010211100
41022002310310
514432111403
61532010100
7323661405
oct112026464
940463740
1019410228
11aa58212
126600930
134037b56
1428139ac
151a862a3
hex1282d34

19410228 has 36 divisors (see below), whose sum is σ = 49533120. Its totient is φ = 6408336.

The previous prime is 19410217. The next prime is 19410253. The reversal of 19410228 is 82201491.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

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, 1333 + ... + 6371.

It is an arithmetic number, because the mean of its divisors is an integer number (1375920).

Almost surely, 219410228 is an apocalyptic number.

19410228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

19410228 is an abundant number, since it is smaller than the sum of its proper divisors (30122892).

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

19410228 is a wasteful number, since it uses less digits than its factorization.

19410228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5156 (or 5151 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 19410228 is about 4405.7040300047. The cubic root of 19410228 is about 268.7469508938.

The spelling of 19410228 in words is "nineteen million, four hundred ten thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 107 214 321 428 642 963 1284 1926 3852 5039 10078 15117 20156 30234 45351 60468 90702 181404 539173 1078346 1617519 2156692 3235038 4852557 6470076 9705114 19410228