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40131414 = 2322229523
BaseRepresentation
bin1001100100010…
…1101101010110
32210111212221200
42121011231112
540233201124
63552053330
7665053131
oct231055526
983455850
1040131414
1120720364
1211534246
1384115cb
145489218
1537cabc9
hex2645b56

40131414 has 12 divisors (see below), whose sum is σ = 86951436. Its totient is φ = 13377132.

The previous prime is 40131409. The next prime is 40131437. The reversal of 40131414 is 41413104.

40131414 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×401314142 = 3221060779278792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2229523 = 40131414 / (4 + 0 + 1 + 3 + 1 + 4 + 1 + 4).

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 in 5 ways as a sum of consecutive naturals, for example, 1114744 + ... + 1114779.

It is an arithmetic number, because the mean of its divisors is an integer number (7245953).

Almost surely, 240131414 is an apocalyptic number.

40131414 is an abundant number, since it is smaller than the sum of its proper divisors (46820022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40131414 is a wasteful number, since it uses less digits than its factorization.

40131414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2229531 (or 2229528 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 40131414 is about 6334.9359902054. The cubic root of 40131414 is about 342.3693045659.

Adding to 40131414 its reverse (41413104), we get a palindrome (81544518).

The spelling of 40131414 in words is "forty million, one hundred thirty-one thousand, four hundred fourteen".

Divisors: 1 2 3 6 9 18 2229523 4459046 6688569 13377138 20065707 40131414