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290369039 = 1915282581
BaseRepresentation
bin10001010011101…
…010111000001111
3202020101021102212
4101103222320033
51043313302124
644451341035
710124044652
oct2123527017
9666337385
10290369039
111399a6614
12812b177b
13482081cc
142a7c7899
151a75a40e
hex114eae0f

290369039 has 4 divisors (see below), whose sum is σ = 305651640. Its totient is φ = 275086440.

The previous prime is 290369029. The next prime is 290369119. The reversal of 290369039 is 930963092.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 290369039 - 28 = 290368783 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 290368987 and 290369005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290369029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7641272 + ... + 7641309.

It is an arithmetic number, because the mean of its divisors is an integer number (76412910).

Almost surely, 2290369039 is an apocalyptic number.

290369039 is a deficient number, since it is larger than the sum of its proper divisors (15282601).

290369039 is a wasteful number, since it uses less digits than its factorization.

290369039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15282600.

The product of its (nonzero) digits is 78732, while the sum is 41.

The square root of 290369039 is about 17040.2182791184. The cubic root of 290369039 is about 662.1912468506.

The spelling of 290369039 in words is "two hundred ninety million, three hundred sixty-nine thousand, thirty-nine".

Divisors: 1 19 15282581 290369039