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240432420 = 22354007207
BaseRepresentation
bin11100101010010…
…11010100100100
3121202102020021110
432111023110210
5443022314140
635505145020
75646433104
oct1625132444
9552366243
10240432420
11113799488
126862b170
133aa72907
1423d09204
1516194380
hexe54b524

240432420 has 24 divisors (see below), whose sum is σ = 673210944. Its totient is φ = 64115296.

The previous prime is 240432391. The next prime is 240432421. The reversal of 240432420 is 24234042.

240432420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (240432421) 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, 2003544 + ... + 2003663.

It is an arithmetic number, because the mean of its divisors is an integer number (28050456).

Almost surely, 2240432420 is an apocalyptic number.

240432420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240432420 is an abundant number, since it is smaller than the sum of its proper divisors (432778524).

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

240432420 is a wasteful number, since it uses less digits than its factorization.

240432420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4007219 (or 4007217 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 240432420 is about 15505.8833995358. The cubic root of 240432420 is about 621.8195076701.

Adding to 240432420 its reverse (24234042), we get a palindrome (264666462).

The spelling of 240432420 in words is "two hundred forty million, four hundred thirty-two thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 4007207 8014414 12021621 16028828 20036035 24043242 40072070 48086484 60108105 80144140 120216210 240432420