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289506038 = 2592453441
BaseRepresentation
bin10001010000011…
…000001011110110
3202011202102121212
4101100120023312
51043103143123
644421041422
710113521633
oct2120301366
9664672555
10289506038
11139467198
1280b56272
1347c95463
142a64118a
151a639878
hex114182f6

289506038 has 8 divisors (see below), whose sum is σ = 441619560. Its totient is φ = 142299520.

The previous prime is 289506017. The next prime is 289506047. The reversal of 289506038 is 830605982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 289505986 and 289506004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1226603 + ... + 1226838.

It is an arithmetic number, because the mean of its divisors is an integer number (55202445).

Almost surely, 2289506038 is an apocalyptic number.

289506038 is a deficient number, since it is larger than the sum of its proper divisors (152113522).

289506038 is a wasteful number, since it uses less digits than its factorization.

289506038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2453502.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 289506038 is about 17014.8769610597. The cubic root of 289506038 is about 661.5345666472.

The spelling of 289506038 in words is "two hundred eighty-nine million, five hundred six thousand, thirty-eight".

Divisors: 1 2 59 118 2453441 4906882 144753019 289506038