Search a number
-
+
16069765 = 56175209
BaseRepresentation
bin111101010011…
…010010000101
31010020102120111
4331103102011
513103213030
61332233021
7253406425
oct75232205
933212514
1016069765
1190864a8
12546b771
13343854a
1421c4485
15162662a
hexf53485

16069765 has 8 divisors (see below), whose sum is σ = 19318680. Its totient is φ = 12832512.

The previous prime is 16069747. The next prime is 16069769. The reversal of 16069765 is 56796061.

16069765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1766241 + 14303524 = 1329^2 + 3782^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16069765 - 27 = 16069637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16069769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481 + ... + 5689.

It is an arithmetic number, because the mean of its divisors is an integer number (2414835).

Almost surely, 216069765 is an apocalyptic number.

It is an amenable number.

16069765 is a deficient number, since it is larger than the sum of its proper divisors (3248915).

16069765 is an equidigital number, since it uses as much as digits as its factorization.

16069765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5831.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 16069765 is about 4008.7111395061. The cubic root of 16069765 is about 252.3499222532.

The spelling of 16069765 in words is "sixteen million, sixty-nine thousand, seven hundred sixty-five".

Divisors: 1 5 617 3085 5209 26045 3213953 16069765