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240225420 = 22354003757
BaseRepresentation
bin11100101000110…
…00110010001100
3121202000201022210
432110120302030
5442444203140
635500510420
75644611441
oct1624306214
9552021283
10240225420
11113667a06
126854b410
133a9cc626
1423c939c8
1516152d80
hexe518c8c

240225420 has 24 divisors (see below), whose sum is σ = 672631344. Its totient is φ = 64060096.

The previous prime is 240225397. The next prime is 240225431. The reversal of 240225420 is 24522042.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2001819 + ... + 2001938.

It is an arithmetic number, because the mean of its divisors is an integer number (28026306).

Almost surely, 2240225420 is an apocalyptic number.

240225420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240225420 is an abundant number, since it is smaller than the sum of its proper divisors (432405924).

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

240225420 is a wasteful number, since it uses less digits than its factorization.

240225420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4003769 (or 4003767 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 240225420 is about 15499.2070764927. The cubic root of 240225420 is about 621.6410048497.

Adding to 240225420 its reverse (24522042), we get a palindrome (264747462).

The spelling of 240225420 in words is "two hundred forty million, two hundred twenty-five thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 4003757 8007514 12011271 16015028 20018785 24022542 40037570 48045084 60056355 80075140 120112710 240225420