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142051342 = 2531340107
BaseRepresentation
bin10000111011110…
…00100000001110
3100220021221210211
420131320200032
5242331120332
622032353034
73343262566
oct1035704016
9326257724
10142051342
1173203304
123b6a577a
1323577c64
1414c19da6
15c70e447
hex877880e

142051342 has 8 divisors (see below), whose sum is σ = 217097496. Its totient is φ = 69685512.

The previous prime is 142051339. The next prime is 142051361. The reversal of 142051342 is 243150241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 669948 + ... + 670159.

It is an arithmetic number, because the mean of its divisors is an integer number (27137187).

Almost surely, 2142051342 is an apocalyptic number.

142051342 is a deficient number, since it is larger than the sum of its proper divisors (75046154).

142051342 is a wasteful number, since it uses less digits than its factorization.

142051342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340162.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 142051342 is about 11918.5293555875. The cubic root of 142051342 is about 521.7732141697.

The spelling of 142051342 in words is "one hundred forty-two million, fifty-one thousand, three hundred forty-two".

Divisors: 1 2 53 106 1340107 2680214 71025671 142051342