Search a number
-
+
40477760 = 265126493
BaseRepresentation
bin1001101001101…
…0010001000000
32211011111001022
42122122101000
540330242020
64003325012
71001024651
oct232322100
984144038
1040477760
11209375a4
1211680768
13850314b
145539528
153848625
hex269a440

40477760 has 28 divisors (see below), whose sum is σ = 96388428. Its totient is φ = 16190976.

The previous prime is 40477721. The next prime is 40477777. The reversal of 40477760 is 6777404.

It can be written as a sum of positive squares in 2 ways, for example, as 24285184 + 16192576 = 4928^2 + 4024^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40477760.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62927 + ... + 63566.

Almost surely, 240477760 is an apocalyptic number.

40477760 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40477760 is an abundant number, since it is smaller than the sum of its proper divisors (55910668).

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

40477760 is a wasteful number, since it uses less digits than its factorization.

40477760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126510 (or 126500 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 35.

The square root of 40477760 is about 6362.2134513077. The cubic root of 40477760 is about 343.3514008988.

The spelling of 40477760 in words is "forty million, four hundred seventy-seven thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 126493 252986 505972 632465 1011944 1264930 2023888 2529860 4047776 5059720 8095552 10119440 20238880 40477760