Base | Representation |
---|---|
bin | 10000000001001… |
… | …100000101001000 |
3 | 200201200202200120 |
4 | 100001030011020 |
5 | 1022244401310 |
6 | 42400103240 |
7 | 6442212120 |
oct | 2001140510 |
9 | 621622616 |
10 | 268747080 |
11 | 128778728 |
12 | 76004b20 |
13 | 438a7754 |
14 | 27999c80 |
15 | 188d8b70 |
hex | 1004c148 |
268747080 has 64 divisors (see below), whose sum is σ = 921421440. Its totient is φ = 61427712.
The previous prime is 268747051. The next prime is 268747139. The reversal of 268747080 is 80747862.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159129 + ... + 160808.
It is an arithmetic number, because the mean of its divisors is an integer number (14397210).
Almost surely, 2268747080 is an apocalyptic number.
268747080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
268747080 is an abundant number, since it is smaller than the sum of its proper divisors (652674360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
268747080 is a wasteful number, since it uses less digits than its factorization.
268747080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 319958 (or 319954 counting only the distinct ones).
The product of its (nonzero) digits is 150528, while the sum is 42.
The square root of 268747080 is about 16393.5072513480. The cubic root of 268747080 is about 645.3291031282.
The spelling of 268747080 in words is "two hundred sixty-eight million, seven hundred forty-seven thousand, eighty".
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