Base | Representation |
---|---|
bin | 100110100100000… |
… | …1000010010110000 |
3 | 10100011211211101220 |
4 | 1031020020102300 |
5 | 10122224224002 |
6 | 332222225040 |
7 | 44031422655 |
oct | 11510102260 |
9 | 3304754356 |
10 | 1293976752 |
11 | 604463982 |
12 | 301425180 |
13 | 178109523 |
14 | c3bd3c2c |
15 | 789007bc |
hex | 4d2084b0 |
1293976752 has 40 divisors (see below), whose sum is σ = 3458045040. Its totient is φ = 416451840.
The previous prime is 1293976727. The next prime is 1293976771. The reversal of 1293976752 is 2576793921.
It is a junction number, because it is equal to n+sod(n) for n = 1293976695 and 1293976704.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463399 + ... + 466182.
It is an arithmetic number, because the mean of its divisors is an integer number (86451126).
Almost surely, 21293976752 is an apocalyptic number.
1293976752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1293976752 is an abundant number, since it is smaller than the sum of its proper divisors (2164068288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1293976752 is a wasteful number, since it uses less digits than its factorization.
1293976752 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 929621 (or 929615 counting only the distinct ones).
The product of its digits is 1428840, while the sum is 51.
The square root of 1293976752 is about 35971.8883574382. Note that the first 3 decimals coincide. The cubic root of 1293976752 is about 1089.7047013095.
The spelling of 1293976752 in words is "one billion, two hundred ninety-three million, nine hundred seventy-six thousand, seven hundred fifty-two".
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