Search a number
-
+
290297200 = 24521938197
BaseRepresentation
bin10001010011011…
…001010101110000
3202020020121220011
4101103121111300
51043304002300
644450024304
710123325344
oct2123312560
9666217804
10290297200
11139957646
1281278094
13481b15bb
142a7a9624
151a743eba
hex114d9570

290297200 has 60 divisors (see below), whose sum is σ = 734165560. Its totient is φ = 110004480.

The previous prime is 290297197. The next prime is 290297233. The reversal of 290297200 is 2792092.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 11499 + ... + 26698.

Almost surely, 2290297200 is an apocalyptic number.

290297200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

290297200 is an abundant number, since it is smaller than the sum of its proper divisors (443868360).

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

290297200 is a wasteful number, since it uses less digits than its factorization.

290297200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38234 (or 38223 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 290297200 is about 17038.1102238482. The cubic root of 290297200 is about 662.1366323494.

The spelling of 290297200 in words is "two hundred ninety million, two hundred ninety-seven thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 19 20 25 38 40 50 76 80 95 100 152 190 200 304 380 400 475 760 950 1520 1900 3800 7600 38197 76394 152788 190985 305576 381970 611152 725743 763940 954925 1451486 1527880 1909850 2902972 3055760 3628715 3819700 5805944 7257430 7639400 11611888 14514860 15278800 18143575 29029720 36287150 58059440 72574300 145148600 290297200