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342860287 = 71123193597
BaseRepresentation
bin10100011011111…
…010000111111111
3212220011002220011
4110123322013333
51200233012122
654004404051
711332156450
oct2433720777
9786132804
10342860287
11166599010
12969a6627
1356056513
143376d127
1520178377
hex146fa1ff

342860287 has 16 divisors (see below), whose sum is σ = 446049792. Its totient is φ = 255546720.

The previous prime is 342860281. The next prime is 342860291. The reversal of 342860287 is 782068243.

It is not a de Polignac number, because 342860287 - 211 = 342858239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342860281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95028 + ... + 98569.

It is an arithmetic number, because the mean of its divisors is an integer number (27878112).

Almost surely, 2342860287 is an apocalyptic number.

342860287 is a deficient number, since it is larger than the sum of its proper divisors (103189505).

342860287 is a wasteful number, since it uses less digits than its factorization.

342860287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193638.

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 342860287 is about 18516.4868968171. The cubic root of 342860287 is about 699.9049442354.

The spelling of 342860287 in words is "three hundred forty-two million, eight hundred sixty thousand, two hundred eighty-seven".

Divisors: 1 7 11 23 77 161 253 1771 193597 1355179 2129567 4452731 14906969 31169117 48980041 342860287