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290032204 = 22711941663
BaseRepresentation
bin10001010010011…
…000101001001100
3202012202011101111
4101102120221030
51043222012304
644440221404
710121142640
oct2122305114
9665664344
10290032204
11139796540
128116a864
134811aab7
142a73ac20
151a6e0704
hex11498a4c

290032204 has 24 divisors (see below), whose sum is σ = 632798208. Its totient is φ = 112999440.

The previous prime is 290032199. The next prime is 290032229. The reversal of 290032204 is 402230092.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 470524 + ... + 471139.

It is an arithmetic number, because the mean of its divisors is an integer number (26366592).

Almost surely, 2290032204 is an apocalyptic number.

It is an amenable number.

290032204 is an abundant number, since it is smaller than the sum of its proper divisors (342766004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

290032204 is a wasteful number, since it uses less digits than its factorization.

290032204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941685 (or 941683 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 290032204 is about 17030.3318816751. The cubic root of 290032204 is about 661.9350952392.

Adding to 290032204 its reverse (402230092), we get a palindrome (692262296).

The spelling of 290032204 in words is "two hundred ninety million, thirty-two thousand, two hundred four".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 941663 1883326 3766652 6591641 10358293 13183282 20716586 26366564 41433172 72508051 145016102 290032204