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705344142 = 23253146447
BaseRepresentation
bin101010000010101…
…011001010001110
31211011020012021010
4222002223022032
52421032003032
6153553550050
723323216626
oct5202531216
91734205233
10705344142
1133216a548
12178275326
13b31909c9
1469969886
1541dcaccc
hex2a0ab28e

705344142 has 16 divisors (see below), whose sum is σ = 1411276032. Its totient is φ = 235016760.

The previous prime is 705344141. The next prime is 705344183. The reversal of 705344142 is 241443507.

It is a super-3 number, since 3×7053441423 (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705344141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8038 + ... + 38409.

It is an arithmetic number, because the mean of its divisors is an integer number (88204752).

Almost surely, 2705344142 is an apocalyptic number.

705344142 is an abundant number, since it is smaller than the sum of its proper divisors (705931890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

705344142 is a wasteful number, since it uses less digits than its factorization.

705344142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48983.

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 705344142 is about 26558.3158728109. The cubic root of 705344142 is about 890.1578401199.

Adding to 705344142 its reverse (241443507), we get a palindrome (946787649).

The spelling of 705344142 in words is "seven hundred five million, three hundred forty-four thousand, one hundred forty-two".

Divisors: 1 2 3 6 2531 5062 7593 15186 46447 92894 139341 278682 117557357 235114714 352672071 705344142