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42431314 = 221215657
BaseRepresentation
bin1010000111011…
…1001101010010
32221211201211011
42201313031102
541330300224
64113241134
71023442312
oct241671522
987751734
1042431314
1121a51302
12122631aa
138a383b3
1458c7442
153ad2394
hex2877352

42431314 has 4 divisors (see below), whose sum is σ = 63646974. Its totient is φ = 21215656.

The previous prime is 42431273. The next prime is 42431317. The reversal of 42431314 is 41313424.

42431314 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 31979025 + 10452289 = 5655^2 + 3233^2 .

It is not an unprimeable number, because it can be changed into a prime (42431317) by changing a digit.

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 as a sum of consecutive naturals, namely, 10607827 + ... + 10607830.

Almost surely, 242431314 is an apocalyptic number.

42431314 is a deficient number, since it is larger than the sum of its proper divisors (21215660).

42431314 is a wasteful number, since it uses less digits than its factorization.

42431314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21215659.

The product of its digits is 1152, while the sum is 22.

The square root of 42431314 is about 6513.9322993105. The cubic root of 42431314 is about 348.7885024915.

Adding to 42431314 its reverse (41313424), we get a palindrome (83744738).

The spelling of 42431314 in words is "forty-two million, four hundred thirty-one thousand, three hundred fourteen".

Divisors: 1 2 21215657 42431314