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40142614 = 220071307
BaseRepresentation
bin1001100100100…
…0011100010110
32210112110022111
42121020130112
540234030424
63552221234
7665130601
oct231103426
983473274
1040142614
1120728816
121153a81a
138416735
14548d338
1537ce194
hex2648716

40142614 has 4 divisors (see below), whose sum is σ = 60213924. Its totient is φ = 20071306.

The previous prime is 40142603. The next prime is 40142617. The reversal of 40142614 is 41624104.

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

It is a super-2 number, since 2×401426142 = 3222858917505992, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40142617) 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, 10035652 + ... + 10035655.

It is an arithmetic number, because the mean of its divisors is an integer number (15053481).

Almost surely, 240142614 is an apocalyptic number.

40142614 is a deficient number, since it is larger than the sum of its proper divisors (20071310).

40142614 is a wasteful number, since it uses less digits than its factorization.

40142614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20071309.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 40142614 is about 6335.8199153701. The cubic root of 40142614 is about 342.4011514340.

Adding to 40142614 its reverse (41624104), we get a palindrome (81766718).

The spelling of 40142614 in words is "forty million, one hundred forty-two thousand, six hundred fourteen".

Divisors: 1 2 20071307 40142614