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42307693 = 711075569
BaseRepresentation
bin1010000101100…
…1000001101101
32221121110020121
42201121001231
541312321233
64110444541
71022416021
oct241310155
987543217
1042307693
112197743a
1212203751
1389c404c
145894381
153aaa92d
hex285906d

42307693 has 8 divisors (see below), whose sum is σ = 43312320. Its totient is φ = 41314560.

The previous prime is 42307691. The next prime is 42307697. The reversal of 42307693 is 39670324.

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

It is a cyclic number.

It is not a de Polignac number, because 42307693 - 21 = 42307691 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42307691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4813 + ... + 10381.

It is an arithmetic number, because the mean of its divisors is an integer number (5414040).

Almost surely, 242307693 is an apocalyptic number.

It is an amenable number.

42307693 is a deficient number, since it is larger than the sum of its proper divisors (1004627).

42307693 is a wasteful number, since it uses less digits than its factorization.

42307693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5747.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 42307693 is about 6504.4364090980. The cubic root of 42307693 is about 348.4494484551.

The spelling of 42307693 in words is "forty-two million, three hundred seven thousand, six hundred ninety-three".

Divisors: 1 71 107 5569 7597 395399 595883 42307693