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142289106 = 2341678997
BaseRepresentation
bin10000111101100…
…10100011010010
3100220202000221220
420132302203102
5242411222411
622041425510
73345303021
oct1036624322
9326660856
10142289106
1173355a03
123b79b296
132362c24b
1414c7c8b8
15c759b06
hex87b28d2

142289106 has 64 divisors (see below), whose sum is σ = 302279040. Its totient is φ = 44605440.

The previous prime is 142289093. The next prime is 142289117. The reversal of 142289106 is 601982241.

It is a Curzon number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1466850 + ... + 1466946.

It is an arithmetic number, because the mean of its divisors is an integer number (4723110).

Almost surely, 2142289106 is an apocalyptic number.

142289106 is an abundant number, since it is smaller than the sum of its proper divisors (159989934).

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

142289106 is a wasteful number, since it uses less digits than its factorization.

142289106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 142289106 is about 11928.4997380224. The cubic root of 142289106 is about 522.0641646878.

The spelling of 142289106 in words is "one hundred forty-two million, two hundred eighty-nine thousand, one hundred six".

Divisors: 1 2 3 6 41 67 82 89 97 123 134 178 194 201 246 267 291 402 534 582 2747 3649 3977 5494 5963 6499 7298 7954 8241 8633 10947 11926 11931 12998 16482 17266 17889 19497 21894 23862 25899 35778 38994 51798 244483 266459 353953 488966 532918 578411 707906 733449 799377 1061859 1156822 1466898 1598754 1735233 2123718 3470466 23714851 47429702 71144553 142289106