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42642463 = 379471217
BaseRepresentation
bin1010001010101…
…0110000011111
32222020110110111
42202222300133
541404024323
64121550451
71025312023
oct242526037
988213414
1042642463
1122085a06
1212345427
138ab0536
145940383
153b24c0d
hex28aac1f

42642463 has 8 divisors (see below), whose sum is σ = 43877232. Its totient is φ = 41412096.

The previous prime is 42642401. The next prime is 42642473. The reversal of 42642463 is 36424624.

42642463 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 42642463 - 221 = 40545311 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 (42642473) 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, 34431 + ... + 35647.

It is an arithmetic number, because the mean of its divisors is an integer number (5484654).

Almost surely, 242642463 is an apocalyptic number.

42642463 is a deficient number, since it is larger than the sum of its proper divisors (1234769).

42642463 is a wasteful number, since it uses less digits than its factorization.

42642463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2201.

The product of its digits is 27648, while the sum is 31.

The square root of 42642463 is about 6530.1196773107. The cubic root of 42642463 is about 349.3660988640.

The spelling of 42642463 in words is "forty-two million, six hundred forty-two thousand, four hundred sixty-three".

Divisors: 1 37 947 1217 35039 45029 1152499 42642463