Search a number
-
+
40488039 = 3313111447
BaseRepresentation
bin1001101001110…
…0110001100111
32211012000011000
42122130301213
540331104124
64003444343
71001066634
oct232346147
984160130
1040488039
1120944299
12116866b3
138507a27
14553d18b
15384b6c9
hex269cc67

40488039 has 16 divisors (see below), whose sum is σ = 60445440. Its totient is φ = 26783640.

The previous prime is 40488017. The next prime is 40488043. The reversal of 40488039 is 93088404.

It is not a de Polignac number, because 40488039 - 27 = 40487911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40487994 and 40488012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40488439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2187 + ... + 9260.

It is an arithmetic number, because the mean of its divisors is an integer number (3777840).

Almost surely, 240488039 is an apocalyptic number.

40488039 is a deficient number, since it is larger than the sum of its proper divisors (19957401).

40488039 is a wasteful number, since it uses less digits than its factorization.

40488039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11587 (or 11581 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 40488039 is about 6363.0212163720. The cubic root of 40488039 is about 343.3804622100.

The spelling of 40488039 in words is "forty million, four hundred eighty-eight thousand, thirty-nine".

Divisors: 1 3 9 27 131 393 1179 3537 11447 34341 103023 309069 1499557 4498671 13496013 40488039