Search a number
-
+
16427912 = 2314332
BaseRepresentation
bin111110101010…
…101110001000
31010220121212012
4332222232020
513201143122
61344035052
7256430534
oct76525610
933817765
1016427912
119300596
125602a88
133532577
142278bc4
1516977e2
hexfaab88

16427912 has 12 divisors (see below), whose sum is σ = 30823845. Its totient is φ = 8208224.

The previous prime is 16427897. The next prime is 16427981. The reversal of 16427912 is 21972461.

It is a happy number.

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 2 ways, for example, as 14394436 + 2033476 = 3794^2 + 1426^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=2866.

It is a Duffinian number.

It is an unprimeable number.

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, 10748 + ... + 12180.

Almost surely, 216427912 is an apocalyptic number.

It is an amenable number.

16427912 is a deficient number, since it is larger than the sum of its proper divisors (14395933).

16427912 is an frugal number, since it uses more digits than its factorization.

16427912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2872 (or 1435 counting only the distinct ones).

The product of its digits is 6048, while the sum is 32.

The square root of 16427912 is about 4053.1360697613. The cubic root of 16427912 is about 254.2108733046.

Multiplying 16427912 by its sum of digits (32), we get a square (525693184 = 229282).

The spelling of 16427912 in words is "sixteen million, four hundred twenty-seven thousand, nine hundred twelve".

Divisors: 1 2 4 8 1433 2866 5732 11464 2053489 4106978 8213956 16427912