Search a number
-
+
40711780 = 22510319763
BaseRepresentation
bin1001101101001…
…1011001100100
32211121101001201
42123103121210
540410234110
64012332244
71003021144
oct233233144
984541051
1040711780
1120a873aa
1211774084
138585815
14559a924
153892b3a
hex26d3664

40711780 has 24 divisors (see below), whose sum is σ = 86329152. Its totient is φ = 16125792.

The previous prime is 40711777. The next prime is 40711799. The reversal of 40711780 is 8711704.

40711780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 7822 + ... + 11941.

It is an arithmetic number, because the mean of its divisors is an integer number (3597048).

Almost surely, 240711780 is an apocalyptic number.

It is an amenable number.

40711780 is an abundant number, since it is smaller than the sum of its proper divisors (45617372).

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

40711780 is a wasteful number, since it uses less digits than its factorization.

40711780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19875 (or 19873 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 28.

The square root of 40711780 is about 6380.5783436927. The cubic root of 40711780 is about 344.0118190459.

The spelling of 40711780 in words is "forty million, seven hundred eleven thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 103 206 412 515 1030 2060 19763 39526 79052 98815 197630 395260 2035589 4071178 8142356 10177945 20355890 40711780