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142141342 = 2741247633
BaseRepresentation
bin10000111100011…
…10011110011110
3100220110112021011
420132032132132
5242342010332
622034325434
73344116150
oct1036163636
9326415234
10142141342
1173264992
123b72987a
13235a9c05
1414c40ad0
15c72ae47
hex878e79e

142141342 has 16 divisors (see below), whose sum is σ = 249615072. Its totient is φ = 59431680.

The previous prime is 142141313. The next prime is 142141393. The reversal of 142141342 is 243141241.

It is a happy number.

It is a super-2 number, since 2×1421413422 = 40408322211121928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123243 + ... + 124390.

It is an arithmetic number, because the mean of its divisors is an integer number (15600942).

Almost surely, 2142141342 is an apocalyptic number.

142141342 is a deficient number, since it is larger than the sum of its proper divisors (107473730).

142141342 is a wasteful number, since it uses less digits than its factorization.

142141342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247683.

The product of its digits is 768, while the sum is 22.

The square root of 142141342 is about 11922.3043913499. The cubic root of 142141342 is about 521.8833848414.

Adding to 142141342 its reverse (243141241), we get a palindrome (385282583).

The spelling of 142141342 in words is "one hundred forty-two million, one hundred forty-one thousand, three hundred forty-two".

Divisors: 1 2 7 14 41 82 287 574 247633 495266 1733431 3466862 10152953 20305906 71070671 142141342