Search a number
-
+
16074445 = 515720477
BaseRepresentation
bin111101010100…
…011011001101
31010020122222211
4331110123031
513103340240
61332310421
7253426162
oct75243315
933218884
1016074445
119089a72
125472411
13343a70a
1421c6069
151627bea
hexf546cd

16074445 has 8 divisors (see below), whose sum is σ = 19413144. Its totient is φ = 12777024.

The previous prime is 16074433. The next prime is 16074449. The reversal of 16074445 is 54447061.

It can be written as a sum of positive squares in 4 ways, for example, as 2079364 + 13995081 = 1442^2 + 3741^2 .

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 16074445 - 29 = 16073933 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 (16074449) 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, 9454 + ... + 11023.

It is an arithmetic number, because the mean of its divisors is an integer number (2426643).

Almost surely, 216074445 is an apocalyptic number.

It is an amenable number.

16074445 is a deficient number, since it is larger than the sum of its proper divisors (3338699).

16074445 is a wasteful number, since it uses less digits than its factorization.

16074445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20639.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 16074445 is about 4009.2948257767. The cubic root of 16074445 is about 252.3744171769.

The spelling of 16074445 in words is "sixteen million, seventy-four thousand, four hundred forty-five".

Divisors: 1 5 157 785 20477 102385 3214889 16074445