Search a number
-
+
16420488 = 2337213963
BaseRepresentation
bin111110101000…
…111010001000
31010220020200020
4332220322020
513200423423
61343540440
7256400100
oct76507210
933806606
1016420488
1192a5a57
1255ba720
13352c086
142276200
1516954e3
hexfa8e88

16420488 has 48 divisors (see below), whose sum is σ = 47756880. Its totient is φ = 4691232.

The previous prime is 16420463. The next prime is 16420507. The reversal of 16420488 is 88402461.

16420488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 5806 + ... + 8157.

It is an arithmetic number, because the mean of its divisors is an integer number (994935).

Almost surely, 216420488 is an apocalyptic number.

It is an amenable number.

16420488 is an abundant number, since it is smaller than the sum of its proper divisors (31336392).

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

16420488 is a wasteful number, since it uses less digits than its factorization.

16420488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13986 (or 13975 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 16420488 is about 4052.2201322238. The cubic root of 16420488 is about 254.1725737347.

The spelling of 16420488 in words is "sixteen million, four hundred twenty thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 49 56 84 98 147 168 196 294 392 588 1176 13963 27926 41889 55852 83778 97741 111704 167556 195482 293223 335112 390964 586446 684187 781928 1172892 1368374 2052561 2345784 2736748 4105122 5473496 8210244 16420488