Search a number
-
+
15122046 = 2315116691
BaseRepresentation
bin111001101011…
…111001111110
31001110021112210
4321223321332
512332401141
61300041250
7242351412
oct71537176
931407483
1015122046
118599465
125093226
133196074
142018d42
1514da916
hexe6be7e

15122046 has 16 divisors (see below), whose sum is σ = 30446208. Its totient is φ = 5007000.

The previous prime is 15122033. The next prime is 15122047. The reversal of 15122046 is 64022151.

It is a super-2 number, since 2×151220462 = 457352550452232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15122047) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7440 + ... + 9251.

It is an arithmetic number, because the mean of its divisors is an integer number (1902888).

Almost surely, 215122046 is an apocalyptic number.

15122046 is an abundant number, since it is smaller than the sum of its proper divisors (15324162).

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

15122046 is a wasteful number, since it uses less digits than its factorization.

15122046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16847.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 15122046 is about 3888.7074973569. The cubic root of 15122046 is about 247.2882711227.

Adding to 15122046 its reverse (64022151), we get a palindrome (79144197).

The spelling of 15122046 in words is "fifteen million, one hundred twenty-two thousand, forty-six".

Divisors: 1 2 3 6 151 302 453 906 16691 33382 50073 100146 2520341 5040682 7561023 15122046