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290294407 = 13195092309
BaseRepresentation
bin10001010011011…
…000101010000111
3202020020111001201
4101103120222013
51043303410112
644450003331
710123314244
oct2123305207
9666214051
10290294407
11139955537
1281276547
13481b0250
142a7a85cb
151a743257
hex114d8a87

290294407 has 16 divisors (see below), whose sum is σ = 329868000. Its totient is φ = 253252224.

The previous prime is 290294383. The next prime is 290294423. The reversal of 290294407 is 704492092.

It is a cyclic number.

It is not a de Polignac number, because 290294407 - 219 = 289770119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290294107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124569 + ... + 126877.

It is an arithmetic number, because the mean of its divisors is an integer number (20616750).

Almost surely, 2290294407 is an apocalyptic number.

290294407 is a deficient number, since it is larger than the sum of its proper divisors (39573593).

290294407 is a wasteful number, since it uses less digits than its factorization.

290294407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2850.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 290294407 is about 17038.0282603358. The cubic root of 290294407 is about 662.1345088319.

The spelling of 290294407 in words is "two hundred ninety million, two hundred ninety-four thousand, four hundred seven".

Divisors: 1 13 19 247 509 2309 6617 9671 30017 43871 125723 570323 1175281 15278653 22330339 290294407