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42919077 = 3109131251
BaseRepresentation
bin1010001110111…
…0010010100101
32222202111220110
42203232102211
541441402302
64131523233
71030543335
oct243562245
988674813
1042919077
1122254813
1212459519
138b79406
1459b30c5
153b7bb6c
hex28ee4a5

42919077 has 8 divisors (see below), whose sum is σ = 57750880. Its totient is φ = 28350000.

The previous prime is 42919073. The next prime is 42919099. The reversal of 42919077 is 77091924.

42919077 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 not a de Polignac number, because 42919077 - 22 = 42919073 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 (42919073) 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, 65299 + ... + 65952.

It is an arithmetic number, because the mean of its divisors is an integer number (7218860).

Almost surely, 242919077 is an apocalyptic number.

It is an amenable number.

42919077 is a deficient number, since it is larger than the sum of its proper divisors (14831803).

42919077 is a wasteful number, since it uses less digits than its factorization.

42919077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131363.

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 42919077 is about 6551.2652976353. The cubic root of 42919077 is about 350.1198963385.

The spelling of 42919077 in words is "forty-two million, nine hundred nineteen thousand, seventy-seven".

Divisors: 1 3 109 327 131251 393753 14306359 42919077