Search a number
-
+
40831902 = 23214331583
BaseRepresentation
bin1001101111000…
…0101110011110
32211211110211200
42123300232132
540423110102
64015100330
71004031306
oct233605636
984743750
1040831902
1121059681
12118116a6
1385c83b7
1455cc606
1538b851c
hex26f0b9e

40831902 has 24 divisors (see below), whose sum is σ = 88586784. Its totient is φ = 13592544.

The previous prime is 40831883. The next prime is 40831919. The reversal of 40831902 is 20913804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25003 + ... + 26585.

It is an arithmetic number, because the mean of its divisors is an integer number (3691116).

Almost surely, 240831902 is an apocalyptic number.

40831902 is an abundant number, since it is smaller than the sum of its proper divisors (47754882).

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

40831902 is a wasteful number, since it uses less digits than its factorization.

40831902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3024 (or 3021 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 40831902 is about 6389.9845070235. The cubic root of 40831902 is about 344.3498277829.

The spelling of 40831902 in words is "forty million, eight hundred thirty-one thousand, nine hundred two".

Divisors: 1 2 3 6 9 18 1433 1583 2866 3166 4299 4749 8598 9498 12897 14247 25794 28494 2268439 4536878 6805317 13610634 20415951 40831902