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40241020 = 2257925469
BaseRepresentation
bin1001100110000…
…0011101111100
32210201110022011
42121200131330
540300203040
63554301004
7666020521
oct231403574
983643264
1040241020
1120795746
1211587764
13844c471
1454b7148
1537ed3ea
hex266077c

40241020 has 24 divisors (see below), whose sum is σ = 85579200. Its totient is φ = 15892032.

The previous prime is 40240999. The next prime is 40241021. The reversal of 40241020 is 2014204.

40241020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40241021) by changing a digit.

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, 11155 + ... + 14314.

It is an arithmetic number, because the mean of its divisors is an integer number (3565800).

Almost surely, 240241020 is an apocalyptic number.

It is an amenable number.

40241020 is an abundant number, since it is smaller than the sum of its proper divisors (45338180).

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

40241020 is a wasteful number, since it uses less digits than its factorization.

40241020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25557 (or 25555 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 40241020 is about 6343.5810076013. The cubic root of 40241020 is about 342.6807116397.

Adding to 40241020 its reverse (2014204), we get a palindrome (42255224).

The spelling of 40241020 in words is "forty million, two hundred forty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 79 158 316 395 790 1580 25469 50938 101876 127345 254690 509380 2012051 4024102 8048204 10060255 20120510 40241020