Base | Representation |
---|---|
bin | 101001100001011… |
… | …1100111110010001 |
3 | 10121002201002220122 |
4 | 1103002330332101 |
5 | 10323140023321 |
6 | 350130520025 |
7 | 46345465310 |
oct | 12302747621 |
9 | 3532632818 |
10 | 1393282961 |
11 | 655521124 |
12 | 32a736015 |
13 | 1928692b5 |
14 | d3084277 |
15 | 824b98ab |
hex | 530bcf91 |
1393282961 has 8 divisors (see below), whose sum is σ = 1594694784. Its totient is φ = 1192464000.
The previous prime is 1393282927. The next prime is 1393282973. The reversal of 1393282961 is 1692823931.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1393282961 - 26 = 1393282897 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1393282361) 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, 143165 + ... + 152586.
It is an arithmetic number, because the mean of its divisors is an integer number (199336848).
Almost surely, 21393282961 is an apocalyptic number.
It is an amenable number.
1393282961 is a deficient number, since it is larger than the sum of its proper divisors (201411823).
1393282961 is an equidigital number, since it uses as much as digits as its factorization.
1393282961 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 296431.
The product of its digits is 139968, while the sum is 44.
The square root of 1393282961 is about 37326.7057346346. The cubic root of 1393282961 is about 1116.8969594780.
The spelling of 1393282961 in words is "one billion, three hundred ninety-three million, two hundred eighty-two thousand, nine hundred sixty-one".
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