Search a number
-
+
290470564 = 22163445507
BaseRepresentation
bin10001010100000…
…011101010100100
3202020120102201001
4101110003222210
51043330024224
644453443044
710124646646
oct2124035244
9666512631
10290470564
11139a6591a
1281340484
1348242497
142a812896
151a77a544
hex11503aa4

290470564 has 12 divisors (see below), whose sum is σ = 511443184. Its totient is φ = 144343944.

The previous prime is 290470561. The next prime is 290470603. The reversal of 290470564 is 465074092.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (290470561) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 222102 + ... + 223405.

Almost surely, 2290470564 is an apocalyptic number.

It is an amenable number.

290470564 is a deficient number, since it is larger than the sum of its proper divisors (220972620).

290470564 is a wasteful number, since it uses less digits than its factorization.

290470564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445674 (or 445672 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 290470564 is about 17043.1970005630. The cubic root of 290470564 is about 662.2684143208.

The spelling of 290470564 in words is "two hundred ninety million, four hundred seventy thousand, five hundred sixty-four".

Divisors: 1 2 4 163 326 652 445507 891014 1782028 72617641 145235282 290470564