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142485384 = 2335936891
BaseRepresentation
bin10000111111000…
…10011110001000
3100221010000012110
420133202132020
5242434013014
622045542320
73350051166
oct1037423610
9327100173
10142485384
117347a418
123b8749a0
132369a6a2
1414cd0236
15c797d59
hex87e2788

142485384 has 16 divisors (see below), whose sum is σ = 356213520. Its totient is φ = 47495120.

The previous prime is 142485379. The next prime is 142485397. The reversal of 142485384 is 483584241.

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 3 ways as a sum of consecutive naturals, for example, 2968422 + ... + 2968469.

It is an arithmetic number, because the mean of its divisors is an integer number (22263345).

Almost surely, 2142485384 is an apocalyptic number.

It is an amenable number.

142485384 is an abundant number, since it is smaller than the sum of its proper divisors (213728136).

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

142485384 is a wasteful number, since it uses less digits than its factorization.

142485384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5936900 (or 5936896 counting only the distinct ones).

The product of its digits is 122880, while the sum is 39.

The square root of 142485384 is about 11936.7241737421. The cubic root of 142485384 is about 522.3041048875.

The spelling of 142485384 in words is "one hundred forty-two million, four hundred eighty-five thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 24 5936891 11873782 17810673 23747564 35621346 47495128 71242692 142485384