Base | Representation |
---|---|
bin | 11101100100110… |
… | …00000010000100 |
3 | 122021211002220211 |
4 | 32302120002010 |
5 | 1002002233120 |
6 | 40341205204 |
7 | 6101462503 |
oct | 1662300204 |
9 | 567732824 |
10 | 248086660 |
11 | 1180471a8 |
12 | 6b100804 |
13 | 3c522853 |
14 | 24d3c83a |
15 | 16ba725a |
hex | ec98084 |
248086660 has 12 divisors (see below), whose sum is σ = 520982028. Its totient is φ = 99234656.
The previous prime is 248086649. The next prime is 248086687. The reversal of 248086660 is 66680842.
It can be written as a sum of positive squares in 2 ways, for example, as 28987456 + 219099204 = 5384^2 + 14802^2 .
It is a super-3 number, since 3×2480866603 (a number of 26 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6202147 + ... + 6202186.
It is an arithmetic number, because the mean of its divisors is an integer number (43415169).
Almost surely, 2248086660 is an apocalyptic number.
248086660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
248086660 is an abundant number, since it is smaller than the sum of its proper divisors (272895368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
248086660 is a wasteful number, since it uses less digits than its factorization.
248086660 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12404342 (or 12404340 counting only the distinct ones).
The product of its (nonzero) digits is 110592, while the sum is 40.
The square root of 248086660 is about 15750.7669654528. The cubic root of 248086660 is about 628.3493026138.
The spelling of 248086660 in words is "two hundred forty-eight million, eighty-six thousand, six hundred sixty".
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