Base | Representation |
---|---|
bin | 101011011001000… |
… | …011011110100010 |
3 | 1212201211121222100 |
4 | 223121003132202 |
5 | 2442331110010 |
6 | 200123151230 |
7 | 24016540242 |
oct | 5331033642 |
9 | 1781747870 |
10 | 727988130 |
11 | 343a26291 |
12 | 183975516 |
13 | b7a8b70c |
14 | 6c981b22 |
15 | 43da02c0 |
hex | 2b6437a2 |
727988130 has 48 divisors (see below), whose sum is σ = 1907702784. Its totient is φ = 192598560.
The previous prime is 727988117. The next prime is 727988143. The reversal of 727988130 is 31889727.
727988130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (727988117) and next prime (727988143).
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20416 + ... + 43275.
It is an arithmetic number, because the mean of its divisors is an integer number (39743808).
Almost surely, 2727988130 is an apocalyptic number.
727988130 is an abundant number, since it is smaller than the sum of its proper divisors (1179714654).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
727988130 is a wasteful number, since it uses less digits than its factorization.
727988130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63831 (or 63828 counting only the distinct ones).
The product of its (nonzero) digits is 169344, while the sum is 45.
The square root of 727988130 is about 26981.2551598327. The cubic root of 727988130 is about 899.5833997826.
The spelling of 727988130 in words is "seven hundred twenty-seven million, nine hundred eighty-eight thousand, one hundred thirty".
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