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142342112 = 2511404381
BaseRepresentation
bin10000111101111…
…11011111100000
3100220211201200002
420132333133200
5242414421422
622042515132
73345613403
oct1036773740
9326751602
10142342112
1173391810
123b805aa8
132364a403
1414c93d3a
15c76a692
hex87bf7e0

142342112 has 24 divisors (see below), whose sum is σ = 305712792. Its totient is φ = 64700800.

The previous prime is 142342099. The next prime is 142342141. The reversal of 142342112 is 211243241.

It is a super-2 number, since 2×1423421122 = 40522553697241088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201839 + ... + 202542.

It is an arithmetic number, because the mean of its divisors is an integer number (12738033).

Almost surely, 2142342112 is an apocalyptic number.

It is an amenable number.

142342112 is an abundant number, since it is smaller than the sum of its proper divisors (163370680).

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

142342112 is a wasteful number, since it uses less digits than its factorization.

142342112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404402 (or 404394 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 142342112 is about 11930.7213528772. The cubic root of 142342112 is about 522.1289836524.

Adding to 142342112 its reverse (211243241), we get a palindrome (353585353).

The spelling of 142342112 in words is "one hundred forty-two million, three hundred forty-two thousand, one hundred twelve".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 404381 808762 1617524 3235048 4448191 6470096 8896382 12940192 17792764 35585528 71171056 142342112