Search a number
-
+
42863386 = 2113189661
BaseRepresentation
bin1010001110000…
…0101100011010
32222122200111211
42203200230122
541433112021
64130413334
71030222066
oct243405432
988580454
1042863386
1122216995
121243124a
138b59c67
14599aaa6
153b6a3e1
hex28e0b1a

42863386 has 8 divisors (see below), whose sum is σ = 64864404. Its totient is φ = 21241920.

The previous prime is 42863383. The next prime is 42863393. The reversal of 42863386 is 68336824.

It can be written as a sum of positive squares in 2 ways, for example, as 42497361 + 366025 = 6519^2 + 605^2 .

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

It is not an unprimeable number, because it can be changed into a prime (42863383) 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 3 ways as a sum of consecutive naturals, for example, 94605 + ... + 95056.

Almost surely, 242863386 is an apocalyptic number.

42863386 is a deficient number, since it is larger than the sum of its proper divisors (22001018).

42863386 is a wasteful number, since it uses less digits than its factorization.

42863386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189776.

The product of its digits is 165888, while the sum is 40.

The square root of 42863386 is about 6547.0135176277. The cubic root of 42863386 is about 349.9683944250.

The spelling of 42863386 in words is "forty-two million, eight hundred sixty-three thousand, three hundred eighty-six".

Divisors: 1 2 113 226 189661 379322 21431693 42863386