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135742782 = 2373231971
BaseRepresentation
bin10000001011101…
…00010100111110
3100110102110002110
420011310110332
5234222232112
621245234450
73235536360
oct1005642476
9313373073
10135742782
116a69461a
1239562a26
1322179696
1414056d30
15bdb513c
hex817453e

135742782 has 16 divisors (see below), whose sum is σ = 310269312. Its totient is φ = 38783640.

The previous prime is 135742781. The next prime is 135742793. The reversal of 135742782 is 287247531.

It is a super-2 number, since 2×1357427822 = 36852205730199048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 135742782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135742781) 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, 1615944 + ... + 1616027.

It is an arithmetic number, because the mean of its divisors is an integer number (19391832).

Almost surely, 2135742782 is an apocalyptic number.

135742782 is an abundant number, since it is smaller than the sum of its proper divisors (174526530).

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

135742782 is a wasteful number, since it uses less digits than its factorization.

135742782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3231983.

The product of its digits is 94080, while the sum is 39.

The square root of 135742782 is about 11650.8704395852. The cubic root of 135742782 is about 513.9319076882.

The spelling of 135742782 in words is "one hundred thirty-five million, seven hundred forty-two thousand, seven hundred eighty-two".

Divisors: 1 2 3 6 7 14 21 42 3231971 6463942 9695913 19391826 22623797 45247594 67871391 135742782