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289734046 = 2720695289
BaseRepresentation
bin10001010001001…
…111110110011110
3202012012000101121
4101101033312132
51043132442141
644430001154
710115461450
oct2121176636
9665160347
10289734046
11139602528
12810461ba
1348045184
142a6a02d0
151a6821d1
hex1144fd9e

289734046 has 8 divisors (see below), whose sum is σ = 496686960. Its totient is φ = 124171728.

The previous prime is 289734023. The next prime is 289734047. The reversal of 289734046 is 640437982.

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 = 289733993 and 289734011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289734047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10347631 + ... + 10347658.

It is an arithmetic number, because the mean of its divisors is an integer number (62085870).

Almost surely, 2289734046 is an apocalyptic number.

289734046 is a deficient number, since it is larger than the sum of its proper divisors (206952914).

289734046 is a wasteful number, since it uses less digits than its factorization.

289734046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20695298.

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 289734046 is about 17021.5758964909. The cubic root of 289734046 is about 661.7081906515.

The spelling of 289734046 in words is "two hundred eighty-nine million, seven hundred thirty-four thousand, forty-six".

Divisors: 1 2 7 14 20695289 41390578 144867023 289734046