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42863742 = 23629399
BaseRepresentation
bin1010001110000…
…0110001111110
32222122201000000
42203200301332
541433114432
64130415130
71030223115
oct243406176
988581000
1042863742
1122217189
12124314a6
138b5a17c
14599ac7c
153b6a57c
hex28e0c7e

42863742 has 28 divisors (see below), whose sum is σ = 96402600. Its totient is φ = 14287428.

The previous prime is 42863707. The next prime is 42863761. The reversal of 42863742 is 24736824.

42863742 is a `hidden beast` number, since 4 + 286 + 374 + 2 = 666.

42863742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 42863697 and 42863706.

It is a congruent number.

It is an unprimeable number.

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 13 ways as a sum of consecutive naturals, for example, 13242 + ... + 16157.

It is an arithmetic number, because the mean of its divisors is an integer number (3442950).

Almost surely, 242863742 is an apocalyptic number.

42863742 is an abundant number, since it is smaller than the sum of its proper divisors (53538858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42863742 is an equidigital number, since it uses as much as digits as its factorization.

42863742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29419 (or 29404 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 42863742 is about 6547.0407055402. The cubic root of 42863742 is about 349.9693633047.

The spelling of 42863742 in words is "forty-two million, eight hundred sixty-three thousand, seven hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 729 1458 29399 58798 88197 176394 264591 529182 793773 1587546 2381319 4762638 7143957 14287914 21431871 42863742