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142027605 = 32517267163
BaseRepresentation
bin10000111011100…
…10101101010101
3100220020202020200
420131302231111
5242324340410
622032051113
73343133436
oct1035625525
9326222220
10142027605
1173197495
123b693a99
132356a205
1414c1148d
15c7073c0
hex8772b55

142027605 has 72 divisors (see below), whose sum is σ = 267045792. Its totient is φ = 69797376.

The previous prime is 142027601. The next prime is 142027607. The reversal of 142027605 is 506720241.

142027605 is a `hidden beast` number, since 14 + 20 + 27 + 605 = 666.

It is not a de Polignac number, because 142027605 - 22 = 142027601 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142027601) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 871254 + ... + 871416.

Almost surely, 2142027605 is an apocalyptic number.

142027605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142027605 is a deficient number, since it is larger than the sum of its proper divisors (125018187).

142027605 is a wasteful number, since it uses less digits than its factorization.

142027605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 142027605 is about 11917.5335115954. The cubic root of 142027605 is about 521.7441495124.

Adding to 142027605 its reverse (506720241), we get a palindrome (648747846).

The spelling of 142027605 in words is "one hundred forty-two million, twenty-seven thousand, six hundred five".

Divisors: 1 3 5 9 15 17 45 51 67 85 153 163 201 255 289 335 489 603 765 815 867 1005 1139 1445 1467 2445 2601 2771 3015 3417 4335 5695 7335 8313 10251 10921 13005 13855 17085 19363 24939 32763 41565 47107 51255 54605 58089 96815 98289 124695 141321 163815 174267 185657 235535 290445 423963 491445 556971 706605 871335 928285 1670913 2119815 2784855 3156169 8354565 9468507 15780845 28405521 47342535 142027605