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42714139 = 133285703
BaseRepresentation
bin1010001011110…
…0010000011011
32222101002210011
42202330100123
541413323024
64123302351
71026031006
oct242742033
988332704
1042714139
1122124846
121237a9b7
138b07050
14595c53d
153b3b094
hex28bc41b

42714139 has 4 divisors (see below), whose sum is σ = 45999856. Its totient is φ = 39428424.

The previous prime is 42714121. The next prime is 42714163. The reversal of 42714139 is 93141724.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42714139 - 25 = 42714107 is a prime.

It is a super-2 number, since 2×427141392 = 3648995341022642, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42714139.

It is not an unprimeable number, because it can be changed into a prime (42714439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1642839 + ... + 1642864.

It is an arithmetic number, because the mean of its divisors is an integer number (11499964).

Almost surely, 242714139 is an apocalyptic number.

42714139 is a deficient number, since it is larger than the sum of its proper divisors (3285717).

42714139 is a wasteful number, since it uses less digits than its factorization.

42714139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3285716.

The product of its digits is 6048, while the sum is 31.

The square root of 42714139 is about 6535.6054807493. The cubic root of 42714139 is about 349.5617344317.

The spelling of 42714139 in words is "forty-two million, seven hundred fourteen thousand, one hundred thirty-nine".

Divisors: 1 13 3285703 42714139