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1712142 = 232731303
BaseRepresentation
bin110100010000000001110
310012222121200
412202000032
5414242032
6100410330
720360445
oct6420016
93188550
101712142
11a6a3a3
126a69a6
1347c403
14327d5c
1523c47c
hex1a200e

1712142 has 24 divisors (see below), whose sum is σ = 3763344. Its totient is φ = 562464.

The previous prime is 1712141. The next prime is 1712149. The reversal of 1712142 is 2412171.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1712141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 663 + ... + 1965.

It is an arithmetic number, because the mean of its divisors is an integer number (156806).

21712142 is an apocalyptic number.

1712142 is an abundant number, since it is smaller than the sum of its proper divisors (2051202).

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

1712142 is a wasteful number, since it uses less digits than its factorization.

1712142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384 (or 1381 counting only the distinct ones).

The product of its digits is 112, while the sum is 18.

The square root of 1712142 is about 1308.4884409119. The cubic root of 1712142 is about 119.6317879882.

The spelling of 1712142 in words is "one million, seven hundred twelve thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 73 146 219 438 657 1303 1314 2606 3909 7818 11727 23454 95119 190238 285357 570714 856071 1712142