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42931482 = 2311650477
BaseRepresentation
bin1010001111000…
…1010100011010
32222210010220220
42203301110122
541442301412
64132100510
71030624446
oct243612432
988703826
1042931482
1122263070
1212464736
138b81c59
1459b7826
153b8068c
hex28f151a

42931482 has 16 divisors (see below), whose sum is σ = 93668832. Its totient is φ = 13009520.

The previous prime is 42931481. The next prime is 42931487. The reversal of 42931482 is 28413924.

It is a super-2 number, since 2×429314822 = 3686224293432648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (42931481) 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, 325173 + ... + 325304.

It is an arithmetic number, because the mean of its divisors is an integer number (5854302).

Almost surely, 242931482 is an apocalyptic number.

42931482 is an abundant number, since it is smaller than the sum of its proper divisors (50737350).

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

42931482 is a wasteful number, since it uses less digits than its factorization.

42931482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650493.

The product of its digits is 13824, while the sum is 33.

The square root of 42931482 is about 6552.2119929074. The cubic root of 42931482 is about 350.1536250767.

It can be divided in two parts, 4293 and 1482, that added together give a palindrome (5775).

The spelling of 42931482 in words is "forty-two million, nine hundred thirty-one thousand, four hundred eighty-two".

Divisors: 1 2 3 6 11 22 33 66 650477 1300954 1951431 3902862 7155247 14310494 21465741 42931482