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42368713 = 389108917
BaseRepresentation
bin1010000110011…
…1111011001001
32221201112221121
42201213323021
541321244323
64112035241
71023061642
oct241477311
987645847
1042368713
1121a09272
1212232b21
138a15a5a
1458ac6c9
153abda5d
hex2867ec9

42368713 has 4 divisors (see below), whose sum is σ = 42478020. Its totient is φ = 42259408.

The previous prime is 42368701. The next prime is 42368731. The reversal of 42368713 is 31786324.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 28440889 + 13927824 = 5333^2 + 3732^2 .

It is a cyclic number.

It is not a de Polignac number, because 42368713 - 217 = 42237641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42368113) 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, 54070 + ... + 54847.

It is an arithmetic number, because the mean of its divisors is an integer number (10619505).

Almost surely, 242368713 is an apocalyptic number.

It is an amenable number.

42368713 is a deficient number, since it is larger than the sum of its proper divisors (109307).

42368713 is a wasteful number, since it uses less digits than its factorization.

42368713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109306.

The product of its digits is 24192, while the sum is 34.

The square root of 42368713 is about 6509.1253636721. The cubic root of 42368713 is about 348.6168898024.

The spelling of 42368713 in words is "forty-two million, three hundred sixty-eight thousand, seven hundred thirteen".

Divisors: 1 389 108917 42368713