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290875894 = 22341154229
BaseRepresentation
bin10001010101100…
…110100111110110
3202021100000201021
4101111212213312
51043431012034
644510251354
710131255451
oct2125464766
9667300637
10290875894
1113a212401
12814b6b5a
1348354b1a
142a8ba498
151a80a6b4
hex115669f6

290875894 has 16 divisors (see below), whose sum is σ = 466391520. Its totient is φ = 135720640.

The previous prime is 290875891. The next prime is 290875909. The reversal of 290875894 is 498578092.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290875891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75229 + ... + 79000.

It is an arithmetic number, because the mean of its divisors is an integer number (29149470).

Almost surely, 2290875894 is an apocalyptic number.

290875894 is a deficient number, since it is larger than the sum of its proper divisors (175515626).

290875894 is a wasteful number, since it uses less digits than its factorization.

290875894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154295.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The square root of 290875894 is about 17055.0841100242. The cubic root of 290875894 is about 662.5763198655.

The spelling of 290875894 in words is "two hundred ninety million, eight hundred seventy-five thousand, eight hundred ninety-four".

Divisors: 1 2 23 41 46 82 943 1886 154229 308458 3547267 6323389 7094534 12646778 145437947 290875894