Search a number
-
+
16939308 = 2231411609
BaseRepresentation
bin100000010011…
…1100100101100
31011212121100210
41000213210230
513314024213
61403022420
7263660511
oct100474454
934777323
1016939308
11961a831
12580aa10
133681279
14236d308
1517490c3
hex102792c

16939308 has 12 divisors (see below), whose sum is σ = 39525080. Its totient is φ = 5646432.

The previous prime is 16939301. The next prime is 16939309. The reversal of 16939308 is 80393961.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (16939301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 705793 + ... + 705816.

Almost surely, 216939308 is an apocalyptic number.

It is an amenable number.

16939308 is an abundant number, since it is smaller than the sum of its proper divisors (22585772).

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

16939308 is a wasteful number, since it uses less digits than its factorization.

16939308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411616 (or 1411614 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 16939308 is about 4115.7390587840. The cubic root of 16939308 is about 256.8218016059.

The spelling of 16939308 in words is "sixteen million, nine hundred thirty-nine thousand, three hundred eight".

Divisors: 1 2 3 4 6 12 1411609 2823218 4234827 5646436 8469654 16939308