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42511214 = 221255607
BaseRepresentation
bin1010001000101…
…0101101101110
32221222210102102
42202022231232
541340324324
64115055102
71024224254
oct242125556
987883372
1042511214
1121aa6339
12122a1492
138a65885
1459085d4
153aeadae
hex288ab6e

42511214 has 4 divisors (see below), whose sum is σ = 63766824. Its totient is φ = 21255606.

The previous prime is 42511177. The next prime is 42511229. The reversal of 42511214 is 41211524.

It is a happy number.

42511214 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 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 as a sum of consecutive naturals, namely, 10627802 + ... + 10627805.

It is an arithmetic number, because the mean of its divisors is an integer number (15941706).

Almost surely, 242511214 is an apocalyptic number.

42511214 is a deficient number, since it is larger than the sum of its proper divisors (21255610).

42511214 is a wasteful number, since it uses less digits than its factorization.

42511214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21255609.

The product of its digits is 320, while the sum is 20.

The square root of 42511214 is about 6520.0624230141. The cubic root of 42511214 is about 349.0072931648.

Adding to 42511214 its reverse (41211524), we get a palindrome (83722738).

The spelling of 42511214 in words is "forty-two million, five hundred eleven thousand, two hundred fourteen".

Divisors: 1 2 21255607 42511214