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290897050 = 2524123461
BaseRepresentation
bin10001010101101…
…011110010011010
3202021101002201211
4101111223302122
51043432201200
644510533334
710131404233
oct2125536232
9667332654
10290897050
1113a227294
128150724a
1348361642
142a8c408a
151a811aba
hex1156bc9a

290897050 has 36 divisors (see below), whose sum is σ = 554747418. Its totient is φ = 113488000.

The previous prime is 290897041. The next prime is 290897051. The reversal of 290897050 is 50798092.

290897050 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 9 ways, for example, as 60980481 + 229916569 = 7809^2 + 15163^2 .

It is a junction number, because it is equal to n+sod(n) for n = 290896994 and 290897012.

It is not an unprimeable number, because it can be changed into a prime (290897051) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 82320 + ... + 85780.

Almost surely, 2290897050 is an apocalyptic number.

290897050 is a deficient number, since it is larger than the sum of its proper divisors (263850368).

290897050 is a wasteful number, since it uses less digits than its factorization.

290897050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3555 (or 3509 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 290897050 is about 17055.7043243602. The cubic root of 290897050 is about 662.5923829874.

The spelling of 290897050 in words is "two hundred ninety million, eight hundred ninety-seven thousand, fifty".

Divisors: 1 2 5 10 25 41 50 82 205 410 1025 1681 2050 3362 3461 6922 8405 16810 17305 34610 42025 84050 86525 141901 173050 283802 709505 1419010 3547525 5817941 7095050 11635882 29089705 58179410 145448525 290897050