Search a number
-
+
290596243 = 7206320123
BaseRepresentation
bin10001010100100…
…010010110010011
3202020210211002211
4101110202112103
51043343034433
644500252551
710126012240
oct2124422623
9666724084
10290596243
1113a041293
12813a1157
1348287752
142a8465c7
151a7a28cd
hex11522593

290596243 has 8 divisors (see below), whose sum is σ = 332287488. Its totient is φ = 248949384.

The previous prime is 290596217. The next prime is 290596277. The reversal of 290596243 is 342695092.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-290596243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 290596196 and 290596205.

It is not an unprimeable number, because it can be changed into a prime (290596213) 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, 4380 + ... + 24502.

It is an arithmetic number, because the mean of its divisors is an integer number (41535936).

Almost surely, 2290596243 is an apocalyptic number.

290596243 is a deficient number, since it is larger than the sum of its proper divisors (41691245).

290596243 is a wasteful number, since it uses less digits than its factorization.

290596243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22193.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 290596243 is about 17046.8836741499. The cubic root of 290596243 is about 662.3639159435.

The spelling of 290596243 in words is "two hundred ninety million, five hundred ninety-six thousand, two hundred forty-three".

Divisors: 1 7 2063 14441 20123 140861 41513749 290596243