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240065380 = 22519631751
BaseRepresentation
bin11100100111100…
…01101101100100
3121201201120210101
432103301231210
5442424043010
635453233444
75643344032
oct1623615544
9551646711
10240065380
11113568745
1268492884
133a974829
1423c51552
151612073a
hexe4f1b64

240065380 has 24 divisors (see below), whose sum is σ = 530671680. Its totient is φ = 90972000.

The previous prime is 240065351. The next prime is 240065383. The reversal of 240065380 is 83560042.

It is not an unprimeable number, because it can be changed into a prime (240065383) 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, 315496 + ... + 316255.

It is an arithmetic number, because the mean of its divisors is an integer number (22111320).

Almost surely, 2240065380 is an apocalyptic number.

240065380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240065380 is an abundant number, since it is smaller than the sum of its proper divisors (290606300).

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

240065380 is a wasteful number, since it uses less digits than its factorization.

240065380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631779 (or 631777 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 240065380 is about 15494.0433715670. The cubic root of 240065380 is about 621.5029268621.

The spelling of 240065380 in words is "two hundred forty million, sixty-five thousand, three hundred eighty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 631751 1263502 2527004 3158755 6317510 12003269 12635020 24006538 48013076 60016345 120032690 240065380