Search a number
-
+
40127974 = 220063987
BaseRepresentation
bin1001100100010…
…0110111100110
32210111201020021
42121010313212
540233043344
63552025354
7665040115
oct231046746
983451207
1040127974
1120718817
121153225a
13840cb83
145487c7c
1537c9b84
hex2644de6

40127974 has 4 divisors (see below), whose sum is σ = 60191964. Its totient is φ = 20063986.

The previous prime is 40127963. The next prime is 40127977. The reversal of 40127974 is 47972104.

40127974 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 super-2 number, since 2×401279742 = 3220508594689352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40127977) 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, 10031992 + ... + 10031995.

It is an arithmetic number, because the mean of its divisors is an integer number (15047991).

Almost surely, 240127974 is an apocalyptic number.

40127974 is a deficient number, since it is larger than the sum of its proper divisors (20063990).

40127974 is a wasteful number, since it uses less digits than its factorization.

40127974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20063989.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 40127974 is about 6334.6644741454. The cubic root of 40127974 is about 342.3595218384.

The spelling of 40127974 in words is "forty million, one hundred twenty-seven thousand, nine hundred seventy-four".

Divisors: 1 2 20063987 40127974