Search a number
-
+
42430319 = 611275477
BaseRepresentation
bin1010000111011…
…0111101101111
32221211200110022
42201312331233
541330232234
64113232355
71023436361
oct241667557
987750408
1042430319
1121a50588
12122626bb
138a37ac9
1458c6d31
153ad1e2e
hex2876f6f

42430319 has 8 divisors (see below), whose sum is σ = 43473408. Its totient is φ = 41398560.

The previous prime is 42430307. The next prime is 42430327. The reversal of 42430319 is 91303424.

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 42430319 - 24 = 42430303 is a prime.

It is a super-2 number, since 2×424303192 = 3600663940883522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42430019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5009 + ... + 10485.

It is an arithmetic number, because the mean of its divisors is an integer number (5434176).

Almost surely, 242430319 is an apocalyptic number.

42430319 is a deficient number, since it is larger than the sum of its proper divisors (1043089).

42430319 is a wasteful number, since it uses less digits than its factorization.

42430319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5665.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 42430319 is about 6513.8559241052. The cubic root of 42430319 is about 348.7857761459.

The spelling of 42430319 in words is "forty-two million, four hundred thirty thousand, three hundred nineteen".

Divisors: 1 61 127 5477 7747 334097 695579 42430319