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240304780 = 22519632381
BaseRepresentation
bin11100101001011…
…00001010001100
3121202011202012001
432110230022030
5443004223110
635502322044
75645362012
oct1624541214
9552152161
10240304780
111137115a1
1268589324
133aa297a1
1423cb48b2
151616b63a
hexe52c28c

240304780 has 24 divisors (see below), whose sum is σ = 531200880. Its totient is φ = 91062720.

The previous prime is 240304763. The next prime is 240304789. The reversal of 240304780 is 87403042.

240304780 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 (240304789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315811 + ... + 316570.

It is an arithmetic number, because the mean of its divisors is an integer number (22133370).

Almost surely, 2240304780 is an apocalyptic number.

240304780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240304780 is an abundant number, since it is smaller than the sum of its proper divisors (290896100).

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

240304780 is a wasteful number, since it uses less digits than its factorization.

240304780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632409 (or 632407 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 240304780 is about 15501.7669960556. The cubic root of 240304780 is about 621.7094516702.

The spelling of 240304780 in words is "two hundred forty million, three hundred four thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 632381 1264762 2529524 3161905 6323810 12015239 12647620 24030478 48060956 60076195 120152390 240304780