Base | Representation |
---|---|
bin | 100110111001000… |
… | …1000010101010000 |
3 | 10100221120012120101 |
4 | 1031302020111100 |
5 | 10133034040320 |
6 | 333254222144 |
7 | 44224130464 |
oct | 11562102520 |
9 | 3327505511 |
10 | 1304986960 |
11 | 60a6a4022 |
12 | 305054954 |
13 | 17a492b44 |
14 | c545c4a4 |
15 | 79877c0a |
hex | 4dc88550 |
1304986960 has 40 divisors (see below), whose sum is σ = 3098658816. Its totient is φ = 510887040.
The previous prime is 1304986897. The next prime is 1304986967. The reversal of 1304986960 is 696894031.
It is a tau number, because it is divible by the number of its divisors (40).
It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 1304986960.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1304986967) 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, 169776 + ... + 177295.
Almost surely, 21304986960 is an apocalyptic number.
1304986960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1304986960 is an abundant number, since it is smaller than the sum of its proper divisors (1793671856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1304986960 is a wasteful number, since it uses less digits than its factorization.
1304986960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 347131 (or 347125 counting only the distinct ones).
The product of its (nonzero) digits is 279936, while the sum is 46.
The square root of 1304986960 is about 36124.6032504165. The cubic root of 1304986960 is about 1092.7866748002.
The spelling of 1304986960 in words is "one billion, three hundred four million, nine hundred eighty-six thousand, nine hundred sixty".
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