Search a number
-
+
16057047 = 35352349
BaseRepresentation
bin111101010000…
…001011010111
31010012210010110
4331100023113
513102311142
61332054103
7253324356
oct75201327
933183113
1016057047
119077996
125464333
133432816
1421bd99d
15162299c
hexf502d7

16057047 has 4 divisors (see below), whose sum is σ = 21409400. Its totient is φ = 10704696.

The previous prime is 16057037. The next prime is 16057079. The reversal of 16057047 is 74075061.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 16057047 - 24 = 16057031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16057037) 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 3 ways as a sum of consecutive naturals, for example, 2676172 + ... + 2676177.

It is an arithmetic number, because the mean of its divisors is an integer number (5352350).

Almost surely, 216057047 is an apocalyptic number.

16057047 is a deficient number, since it is larger than the sum of its proper divisors (5352353).

16057047 is an equidigital number, since it uses as much as digits as its factorization.

16057047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5352352.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 16057047 is about 4007.1245301338. The cubic root of 16057047 is about 252.2833327429.

The spelling of 16057047 in words is "sixteen million, fifty-seven thousand, forty-seven".

Divisors: 1 3 5352349 16057047