Search a number
-
+
40271101 = 133097777
BaseRepresentation
bin1001100110011…
…1110011111101
32210202222120021
42121213303331
540302133401
63555052141
7666204313
oct231476375
983688507
1040271101
1120806302
12115a1051
138460070
1454c40b3
1538072a1
hex2667cfd

40271101 has 4 divisors (see below), whose sum is σ = 43368892. Its totient is φ = 37173312.

The previous prime is 40271093. The next prime is 40271123. The reversal of 40271101 is 10117204.

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 3426201 + 36844900 = 1851^2 + 6070^2 .

It is a cyclic number.

It is not a de Polignac number, because 40271101 - 23 = 40271093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40271131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1548876 + ... + 1548901.

It is an arithmetic number, because the mean of its divisors is an integer number (10842223).

Almost surely, 240271101 is an apocalyptic number.

It is an amenable number.

40271101 is a deficient number, since it is larger than the sum of its proper divisors (3097791).

40271101 is a wasteful number, since it uses less digits than its factorization.

40271101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3097790.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 40271101 is about 6345.9515440949. The cubic root of 40271101 is about 342.7660773604.

Adding to 40271101 its reverse (10117204), we get a palindrome (50388305).

The spelling of 40271101 in words is "forty million, two hundred seventy-one thousand, one hundred one".

Divisors: 1 13 3097777 40271101