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42682393 = 1317193133
BaseRepresentation
bin1010001011010…
…0100000011001
32222022111020101
42202310200121
541411314033
64122455401
71025536315
oct242644031
988274211
1042682393
1122102a06
1212364561
138ac5770
145950b45
153b3197d
hex28b4819

42682393 has 8 divisors (see below), whose sum is σ = 48669768. Its totient is φ = 37081344.

The previous prime is 42682373. The next prime is 42682433. The reversal of 42682393 is 39328624.

It can be written as a sum of positive squares in 4 ways, for example, as 2304 + 42680089 = 48^2 + 6533^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42682393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42682363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96346 + ... + 96787.

It is an arithmetic number, because the mean of its divisors is an integer number (6083721).

Almost surely, 242682393 is an apocalyptic number.

It is an amenable number.

42682393 is a deficient number, since it is larger than the sum of its proper divisors (5987375).

42682393 is a wasteful number, since it uses less digits than its factorization.

42682393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193163.

The product of its digits is 62208, while the sum is 37.

The square root of 42682393 is about 6533.1763331476. The cubic root of 42682393 is about 349.4751125508.

The spelling of 42682393 in words is "forty-two million, six hundred eighty-two thousand, three hundred ninety-three".

Divisors: 1 13 17 221 193133 2510729 3283261 42682393