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42769715 = 571911897
BaseRepresentation
bin1010001100100…
…1110100110011
32222110221000112
42203021310303
541422112330
64124411535
71026352022
oct243116463
988427015
1042769715
112216257a
12123a6bab
138b26431
1459748b9
153b4c795
hex28c9d33

42769715 has 8 divisors (see below), whose sum is σ = 51399360. Its totient is φ = 34165312.

The previous prime is 42769711. The next prime is 42769717. The reversal of 42769715 is 51796724.

42769715 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42769715 - 22 = 42769711 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42769711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2354 + ... + 9543.

It is an arithmetic number, because the mean of its divisors is an integer number (6424920).

Almost surely, 242769715 is an apocalyptic number.

42769715 is a deficient number, since it is larger than the sum of its proper divisors (8629645).

42769715 is a wasteful number, since it uses less digits than its factorization.

42769715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12621.

The product of its digits is 105840, while the sum is 41.

The square root of 42769715 is about 6539.8558852623. The cubic root of 42769715 is about 349.7132753796.

The spelling of 42769715 in words is "forty-two million, seven hundred sixty-nine thousand, seven hundred fifteen".

Divisors: 1 5 719 3595 11897 59485 8553943 42769715