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142041078 = 2327891171
BaseRepresentation
bin10000111011101…
…01111111110110
3100220021102201200
420131311333312
5242330303303
622032233330
73343220634
oct1035657766
9326242650
10142041078
11731a6623
123b69b846
132357339a
1414c16354
15c70b3a3
hex8775ff6

142041078 has 12 divisors (see below), whose sum is σ = 307755708. Its totient is φ = 47347020.

The previous prime is 142041049. The next prime is 142041149. The reversal of 142041078 is 870140241.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3945568 + ... + 3945603.

It is an arithmetic number, because the mean of its divisors is an integer number (25646309).

Almost surely, 2142041078 is an apocalyptic number.

142041078 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

142041078 is an abundant number, since it is smaller than the sum of its proper divisors (165714630).

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

142041078 is a wasteful number, since it uses less digits than its factorization.

142041078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7891179 (or 7891176 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 142041078 is about 11918.0987577717. The cubic root of 142041078 is about 521.7606468608.

The spelling of 142041078 in words is "one hundred forty-two million, forty-one thousand, seventy-eight".

Divisors: 1 2 3 6 9 18 7891171 15782342 23673513 47347026 71020539 142041078