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290030493 = 3208946279
BaseRepresentation
bin10001010010011…
…000001110011101
3202012202002001010
4101102120032131
51043221433433
644440205433
710121134644
oct2122301635
9665662033
10290030493
11139795225
1281169879
134811a09c
142a73a35b
151a6dee63
hex1149839d

290030493 has 8 divisors (see below), whose sum is σ = 386900800. Its totient is φ = 193256928.

The previous prime is 290030473. The next prime is 290030551. The reversal of 290030493 is 394030092.

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

It is not a de Polignac number, because 290030493 - 225 = 256476061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 290030493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290030423) 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 7 ways as a sum of consecutive naturals, for example, 16873 + ... + 29406.

It is an arithmetic number, because the mean of its divisors is an integer number (48362600).

Almost surely, 2290030493 is an apocalyptic number.

It is an amenable number.

290030493 is a deficient number, since it is larger than the sum of its proper divisors (96870307).

290030493 is a wasteful number, since it uses less digits than its factorization.

290030493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48371.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 290030493 is about 17030.2816477004. The cubic root of 290030493 is about 661.9337935755.

The spelling of 290030493 in words is "two hundred ninety million, thirty thousand, four hundred ninety-three".

Divisors: 1 3 2089 6267 46279 138837 96676831 290030493