Search a number
-
+
40627841 = 172389873
BaseRepresentation
bin1001101011111…
…0111010000001
32211110002220212
42122332322001
540400042331
64010443505
71002221342
oct232767201
984402825
1040627841
1120a2a331
1211733595
138556557
1455780c9
153877d2b
hex26bee81

40627841 has 4 divisors (see below), whose sum is σ = 43017732. Its totient is φ = 38237952.

The previous prime is 40627837. The next prime is 40627859. The reversal of 40627841 is 14872604.

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 35058241 + 5569600 = 5921^2 + 2360^2 .

It is a cyclic number.

It is not a de Polignac number, because 40627841 - 22 = 40627837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40627798 and 40627807.

It is not an unprimeable number, because it can be changed into a prime (40627831) 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, 1194920 + ... + 1194953.

It is an arithmetic number, because the mean of its divisors is an integer number (10754433).

Almost surely, 240627841 is an apocalyptic number.

It is an amenable number.

40627841 is a deficient number, since it is larger than the sum of its proper divisors (2389891).

40627841 is a wasteful number, since it uses less digits than its factorization.

40627841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2389890.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 40627841 is about 6373.9972544707. The cubic root of 40627841 is about 343.7752300600.

The spelling of 40627841 in words is "forty million, six hundred twenty-seven thousand, eight hundred forty-one".

Divisors: 1 17 2389873 40627841