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142057282 = 2371919693
BaseRepresentation
bin10000111011110…
…01111101000010
3100220022020221211
420131321331002
5242331313112
622032440334
73343316113
oct1035717502
9326266854
10142057282
1173207814
123b6a90aa
132357a883
1414c1c20a
15c7110a7
hex8779f42

142057282 has 8 divisors (see below), whose sum is σ = 218845116. Its totient is φ = 69108912.

The previous prime is 142057277. The next prime is 142057313. The reversal of 142057282 is 282750241.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 139688761 + 2368521 = 11819^2 + 1539^2 .

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

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, 959773 + ... + 959920.

Almost surely, 2142057282 is an apocalyptic number.

142057282 is a deficient number, since it is larger than the sum of its proper divisors (76787834).

142057282 is a wasteful number, since it uses less digits than its factorization.

142057282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919732.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 142057282 is about 11918.7785448006. The cubic root of 142057282 is about 521.7804868681.

The spelling of 142057282 in words is "one hundred forty-two million, fifty-seven thousand, two hundred eighty-two".

Divisors: 1 2 37 74 1919693 3839386 71028641 142057282