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142285846 = 2317132323
BaseRepresentation
bin10000111101100…
…01110000010110
3100220201212111011
420132301300112
5242411121341
622041402434
73345260353
oct1036616026
9326655434
10142285846
117335350a
123b79941a
132362a911
1414c7b62a
15c758b81
hex87b1c16

142285846 has 16 divisors (see below), whose sum is σ = 223423488. Its totient is φ = 67876200.

The previous prime is 142285817. The next prime is 142285849. The reversal of 142285846 is 648582241.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 142285799 and 142285808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142285849) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11760 + ... + 20563.

It is an arithmetic number, because the mean of its divisors is an integer number (13963968).

Almost surely, 2142285846 is an apocalyptic number.

142285846 is a deficient number, since it is larger than the sum of its proper divisors (81137642).

142285846 is a wasteful number, since it uses less digits than its factorization.

142285846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32427.

The product of its digits is 122880, while the sum is 40.

The square root of 142285846 is about 11928.3630897118. The cubic root of 142285846 is about 522.0601776358.

The spelling of 142285846 in words is "one hundred forty-two million, two hundred eighty-five thousand, eight hundred forty-six".

Divisors: 1 2 31 62 71 142 2201 4402 32323 64646 1002013 2004026 2294933 4589866 71142923 142285846