Search a number
-
+
290306942 = 28310316979
BaseRepresentation
bin10001010011011…
…011101101111110
3202020021010020222
4101103123231332
51043304310232
644450141342
710123365632
oct2123335576
9666233228
10290306942
111399639a2
1281281852
13481b5b73
142a7acdc2
151a746d12
hex114dbb7e

290306942 has 16 divisors (see below), whose sum is σ = 445011840. Its totient is φ = 142003992.

The previous prime is 290306941. The next prime is 290306957. The reversal of 290306942 is 249603092.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290306941) 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, 8609 + ... + 25587.

It is an arithmetic number, because the mean of its divisors is an integer number (27813240).

Almost surely, 2290306942 is an apocalyptic number.

290306942 is a deficient number, since it is larger than the sum of its proper divisors (154704898).

290306942 is a wasteful number, since it uses less digits than its factorization.

290306942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17167.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 290306942 is about 17038.3961099629. The cubic root of 290306942 is about 662.1440390840.

The spelling of 290306942 in words is "two hundred ninety million, three hundred six thousand, nine hundred forty-two".

Divisors: 1 2 83 103 166 206 8549 16979 17098 33958 1409257 1748837 2818514 3497674 145153471 290306942