Search a number
-
+
293242890 = 23517595557
BaseRepresentation
bin10001011110101…
…000100000001010
3202102210021121210
4101132220200022
51100032233030
645033113550
710160344353
oct2136504012
9672707553
10293242890
111405897a6
12822588b6
13489a3305
142ad34d2a
151ab26bb0
hex117a880a

293242890 has 32 divisors (see below), whose sum is σ = 704309760. Its totient is φ = 78139584.

The previous prime is 293242861. The next prime is 293242907. The reversal of 293242890 is 98242392.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49992 + ... + 55548.

It is an arithmetic number, because the mean of its divisors is an integer number (22009680).

Almost surely, 2293242890 is an apocalyptic number.

293242890 is an abundant number, since it is smaller than the sum of its proper divisors (411066870).

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

293242890 is a wasteful number, since it uses less digits than its factorization.

293242890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7326.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 293242890 is about 17124.3361915141. The cubic root of 293242890 is about 664.3687000698.

The spelling of 293242890 in words is "two hundred ninety-three million, two hundred forty-two thousand, eight hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 1759 3518 5277 5557 8795 10554 11114 16671 17590 26385 27785 33342 52770 55570 83355 166710 9774763 19549526 29324289 48873815 58648578 97747630 146621445 293242890