Search a number
-
+
16420368 = 2431720123
BaseRepresentation
bin111110101000…
…111000010000
31010220020111210
4332220320100
513200422433
61343540120
7256366536
oct76507020
933806453
1016420368
1192a5958
1255ba640
13352bcc3
142276156
151695463
hexfa8e10

16420368 has 40 divisors (see below), whose sum is σ = 44916768. Its totient is φ = 5151232.

The previous prime is 16420333. The next prime is 16420373. The reversal of 16420368 is 86302461.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9246 + ... + 10877.

Almost surely, 216420368 is an apocalyptic number.

It is an amenable number.

16420368 is an abundant number, since it is smaller than the sum of its proper divisors (28496400).

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

16420368 is a wasteful number, since it uses less digits than its factorization.

16420368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20151 (or 20145 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 16420368 is about 4052.2053254987. The cubic root of 16420368 is about 254.1719545736.

The spelling of 16420368 in words is "sixteen million, four hundred twenty thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 17 24 34 48 51 68 102 136 204 272 408 816 20123 40246 60369 80492 120738 160984 241476 321968 342091 482952 684182 965904 1026273 1368364 2052546 2736728 4105092 5473456 8210184 16420368