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142984122 = 23612271721
BaseRepresentation
bin10001000010111…
…00001110111010
3100222001100100020
420201130032322
5243100442442
622104351310
73354226221
oct1041341672
9328040306
10142984122
11737900a6
123ba75536
13238136b8
1414dbdcb8
15c8459ec
hex885c3ba

142984122 has 32 divisors (see below), whose sum is σ = 292106304. Its totient is φ = 46646400.

The previous prime is 142984117. The next prime is 142984141. The reversal of 142984122 is 221489241.

It is a super-2 number, since 2×1429841222 = 40888918288221768, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 82222 + ... + 83942.

It is an arithmetic number, because the mean of its divisors is an integer number (9128322).

Almost surely, 2142984122 is an apocalyptic number.

142984122 is an abundant number, since it is smaller than the sum of its proper divisors (149122182).

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

142984122 is a wasteful number, since it uses less digits than its factorization.

142984122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014.

The product of its digits is 9216, while the sum is 33.

The square root of 142984122 is about 11957.5968321398. The cubic root of 142984122 is about 522.9127978748.

The spelling of 142984122 in words is "one hundred forty-two million, nine hundred eighty-four thousand, one hundred twenty-two".

Divisors: 1 2 3 6 61 122 183 227 366 454 681 1362 1721 3442 5163 10326 13847 27694 41541 83082 104981 209962 314943 390667 629886 781334 1172001 2344002 23830687 47661374 71492061 142984122