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240008080 = 24513892593
BaseRepresentation
bin11100100111000…
…11101110010000
3121201121200012011
432103203232100
5442420224310
635452112304
75643015004
oct1623435620
9551550164
10240008080
11113529694
1268465694
133a954720
1423c38704
151610d78a
hexe4e3b90

240008080 has 80 divisors (see below), whose sum is σ = 607929840. Its totient is φ = 87588864.

The previous prime is 240008077. The next prime is 240008123. The reversal of 240008080 is 80800042.

240008080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 32993536 + 207014544 = 5744^2 + 14388^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91264 + ... + 93856.

It is an arithmetic number, because the mean of its divisors is an integer number (7599123).

Almost surely, 2240008080 is an apocalyptic number.

240008080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 240008080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303964920).

240008080 is an abundant number, since it is smaller than the sum of its proper divisors (367921760).

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

240008080 is a wasteful number, since it uses less digits than its factorization.

240008080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2708 (or 2702 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 240008080 is about 15492.1941635134. The cubic root of 240008080 is about 621.4534751232.

The spelling of 240008080 in words is "two hundred forty million, eight thousand, eighty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 89 104 130 178 208 260 356 445 520 712 890 1040 1157 1424 1780 2314 2593 3560 4628 5186 5785 7120 9256 10372 11570 12965 18512 20744 23140 25930 33709 41488 46280 51860 67418 92560 103720 134836 168545 207440 230777 269672 337090 461554 539344 674180 923108 1153885 1348360 1846216 2307770 2696720 3000101 3692432 4615540 6000202 9231080 12000404 15000505 18462160 24000808 30001010 48001616 60002020 120004040 240008080