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288691342 = 2672154413
BaseRepresentation
bin10001001101010…
…001010010001110
3202010020001001221
4101031101102032
51042401110332
644351353554
710103556502
oct2115212216
9663201057
10288691342
11138a60095
12808228ba
1347a6b6a4
142a4ac302
151a528297
hex1135148e

288691342 has 8 divisors (see below), whose sum is σ = 439500456. Its totient is φ = 142191192.

The previous prime is 288691327. The next prime is 288691357. The reversal of 288691342 is 243196882.

It is an interprime number because it is at equal distance from previous prime (288691327) and next prime (288691357).

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

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, 1077073 + ... + 1077340.

It is an arithmetic number, because the mean of its divisors is an integer number (54937557).

Almost surely, 2288691342 is an apocalyptic number.

288691342 is a deficient number, since it is larger than the sum of its proper divisors (150809114).

288691342 is a wasteful number, since it uses less digits than its factorization.

288691342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2154482.

The product of its digits is 165888, while the sum is 43.

The square root of 288691342 is about 16990.9193983139. The cubic root of 288691342 is about 660.9134444169.

The spelling of 288691342 in words is "two hundred eighty-eight million, six hundred ninety-one thousand, three hundred forty-two".

Divisors: 1 2 67 134 2154413 4308826 144345671 288691342