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142684026 = 23171398863
BaseRepresentation
bin10001000000100…
…10111101111010
3100221111002200120
420200102331322
5243011342101
622054114110
73351536262
oct1040227572
9327432616
10142684026
11735a5691
123b94b936
1323739c24
1414d427a2
15c7d6b36
hex8812f7a

142684026 has 16 divisors (see below), whose sum is σ = 302154624. Its totient is φ = 44763584.

The previous prime is 142683991. The next prime is 142684027. The reversal of 142684026 is 620486241.

It is not an unprimeable number, because it can be changed into a prime (142684027) 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, 699330 + ... + 699533.

It is an arithmetic number, because the mean of its divisors is an integer number (18884664).

Almost surely, 2142684026 is an apocalyptic number.

142684026 is an abundant number, since it is smaller than the sum of its proper divisors (159470598).

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

142684026 is a wasteful number, since it uses less digits than its factorization.

142684026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398885.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 142684026 is about 11945.0419003032. The cubic root of 142684026 is about 522.5467107191.

The spelling of 142684026 in words is "one hundred forty-two million, six hundred eighty-four thousand, twenty-six".

Divisors: 1 2 3 6 17 34 51 102 1398863 2797726 4196589 8393178 23780671 47561342 71342013 142684026