Search a number
-
+
16120746 = 2322321693
BaseRepresentation
bin111101011111…
…101110101010
31010100000111200
4331133232222
513111330441
61333305030
7254011155
oct75375652
933300450
1016120746
119110834
125495176
133455805
1421d8c9c
1516367b6
hexf5fbaa

16120746 has 36 divisors (see below), whose sum is σ = 36534498. Its totient is φ = 5136912.

The previous prime is 16120739. The next prime is 16120771. The reversal of 16120746 is 64702161.

16120746 is a `hidden beast` number, since 1 + 612 + 0 + 7 + 46 = 666.

It can be written as a sum of positive squares in only one way, i.e., 14402025 + 1718721 = 3795^2 + 1311^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8676 + ... + 10368.

Almost surely, 216120746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16120746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18267249).

16120746 is an abundant number, since it is smaller than the sum of its proper divisors (20413752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16120746 is a wasteful number, since it uses less digits than its factorization.

16120746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747 (or 1721 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 16120746 is about 4015.0648811694. The cubic root of 16120746 is about 252.6164988669.

The spelling of 16120746 in words is "sixteen million, one hundred twenty thousand, seven hundred forty-six".

Divisors: 1 2 3 6 9 18 23 46 69 138 207 414 529 1058 1587 1693 3174 3386 4761 5079 9522 10158 15237 30474 38939 77878 116817 233634 350451 700902 895597 1791194 2686791 5373582 8060373 16120746