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16199432 = 2314232
BaseRepresentation
bin111101110010…
…111100001000
31010111000102222
4331302330020
513121340212
61335113212
7254456444
oct75627410
933430388
1016199432
119164967
125512808
133482582
142219824
15164ec72
hexf72f08

16199432 has 12 divisors (see below), whose sum is σ = 30395295. Its totient is φ = 8094024.

The previous prime is 16199413. The next prime is 16199437. The reversal of 16199432 is 23499161.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 8099716 + 8099716 = 2846^2 + 2846^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=2846.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16199392 and 16199401.

It is not an unprimeable number, because it can be changed into a prime (16199437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 10673 + ... + 12095.

Almost surely, 216199432 is an apocalyptic number.

It is an amenable number.

16199432 is a deficient number, since it is larger than the sum of its proper divisors (14195863).

16199432 is an frugal number, since it uses more digits than its factorization.

16199432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2852 (or 1425 counting only the distinct ones).

The product of its digits is 11664, while the sum is 35.

The square root of 16199432 is about 4024.8517985138. The cubic root of 16199432 is about 253.0268423353.

The spelling of 16199432 in words is "sixteen million, one hundred ninety-nine thousand, four hundred thirty-two".

Divisors: 1 2 4 8 1423 2846 5692 11384 2024929 4049858 8099716 16199432