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40114421 = 64162581
BaseRepresentation
bin1001100100000…
…1100011110101
32210111000122022
42121001203311
540232130141
63551442525
7664652444
oct231014365
983430568
1040114421
1120709616
1211526445
138406959
145482d5b
1537c5b4b
hex26418f5

40114421 has 4 divisors (see below), whose sum is σ = 40177644. Its totient is φ = 40051200.

The previous prime is 40114391. The next prime is 40114423. The reversal of 40114421 is 12441104.

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

It can be written as a sum of positive squares in 2 ways, for example, as 38613796 + 1500625 = 6214^2 + 1225^2 .

It is a cyclic number.

It is not a de Polignac number, because 40114421 - 26 = 40114357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40114421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40114423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30650 + ... + 31931.

It is an arithmetic number, because the mean of its divisors is an integer number (10044411).

Almost surely, 240114421 is an apocalyptic number.

It is an amenable number.

40114421 is a deficient number, since it is larger than the sum of its proper divisors (63223).

40114421 is an equidigital number, since it uses as much as digits as its factorization.

40114421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63222.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 40114421 is about 6333.5946349605. The cubic root of 40114421 is about 342.3209741570.

Adding to 40114421 its reverse (12441104), we get a palindrome (52555525).

The spelling of 40114421 in words is "forty million, one hundred fourteen thousand, four hundred twenty-one".

Divisors: 1 641 62581 40114421