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42485714 = 221242857
BaseRepresentation
bin1010001000010…
…0011111010010
32221221111102222
42202010133102
541334020324
64114341042
71024060025
oct242043722
987844388
1042485714
1121a89167
121228a782
138a5709b
1458dd1bc
153ae355e
hex28847d2

42485714 has 4 divisors (see below), whose sum is σ = 63728574. Its totient is φ = 21242856.

The previous prime is 42485689. The next prime is 42485719. The reversal of 42485714 is 41758424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 39000025 + 3485689 = 6245^2 + 1867^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42485719) 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 as a sum of consecutive naturals, namely, 10621427 + ... + 10621430.

Almost surely, 242485714 is an apocalyptic number.

42485714 is a deficient number, since it is larger than the sum of its proper divisors (21242860).

42485714 is a wasteful number, since it uses less digits than its factorization.

42485714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21242859.

The product of its digits is 35840, while the sum is 35.

The square root of 42485714 is about 6518.1066269278. The cubic root of 42485714 is about 348.9374961615.

The spelling of 42485714 in words is "forty-two million, four hundred eighty-five thousand, seven hundred fourteen".

Divisors: 1 2 21242857 42485714