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290142350 = 25219305413
BaseRepresentation
bin10001010010110…
…011100010001110
3202012221202110222
4101102303202032
51043234023400
644442431342
710122112031
oct2122634216
9665852428
10290142350
11139861273
1281202552
1348158c84
142a769018
151a713185
hex114b388e

290142350 has 24 divisors (see below), whose sum is σ = 568070040. Its totient is φ = 109948320.

The previous prime is 290142329. The next prime is 290142367. The reversal of 290142350 is 53241092.

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, 151757 + ... + 153656.

It is an arithmetic number, because the mean of its divisors is an integer number (23669585).

Almost surely, 2290142350 is an apocalyptic number.

290142350 is a deficient number, since it is larger than the sum of its proper divisors (277927690).

290142350 is a wasteful number, since it uses less digits than its factorization.

290142350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305444 (or 305439 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 290142350 is about 17033.5653930702. The cubic root of 290142350 is about 662.0188793550.

The spelling of 290142350 in words is "two hundred ninety million, one hundred forty-two thousand, three hundred fifty".

Divisors: 1 2 5 10 19 25 38 50 95 190 475 950 305413 610826 1527065 3054130 5802847 7635325 11605694 15270650 29014235 58028470 145071175 290142350