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40610065 = 5231811951
BaseRepresentation
bin1001101011101…
…0100100010001
32211102012112111
42122322210101
540344010230
64010225321
71002115456
oct232724421
984365474
1040610065
1120a17a41
1211725241
13854b432
14557182d
15387292a
hex26ba911

40610065 has 16 divisors (see below), whose sum is σ = 51158016. Its totient is φ = 30888000.

The previous prime is 40610057. The next prime is 40610071. The reversal of 40610065 is 56001604.

It is not a de Polignac number, because 40610065 - 23 = 40610057 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19840 + ... + 21790.

It is an arithmetic number, because the mean of its divisors is an integer number (3197376).

Almost surely, 240610065 is an apocalyptic number.

It is an amenable number.

40610065 is a deficient number, since it is larger than the sum of its proper divisors (10547951).

40610065 is a wasteful number, since it uses less digits than its factorization.

40610065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 40610065 is about 6372.6026865010. The cubic root of 40610065 is about 343.7250851364.

Adding to 40610065 its reverse (56001604), we get a palindrome (96611669).

The spelling of 40610065 in words is "forty million, six hundred ten thousand, sixty-five".

Divisors: 1 5 23 115 181 905 1951 4163 9755 20815 44873 224365 353131 1765655 8122013 40610065