Base | Representation |
---|---|
bin | 101001100001011… |
… | …1001111001100000 |
3 | 10121002200110122020 |
4 | 1103002321321200 |
5 | 10323134122433 |
6 | 350130341440 |
7 | 46345413510 |
oct | 12302717140 |
9 | 3532613566 |
10 | 1393270368 |
11 | 655512716 |
12 | 32a72a880 |
13 | 192863649 |
14 | d307d840 |
15 | 824b5cb3 |
hex | 530b9e60 |
1393270368 has 96 divisors (see below), whose sum is σ = 4250776320. Its totient is φ = 391319040.
The previous prime is 1393270357. The next prime is 1393270423. The reversal of 1393270368 is 8630723931.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22078 + ... + 57218.
It is an arithmetic number, because the mean of its divisors is an integer number (44278920).
Almost surely, 21393270368 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1393270368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2125388160).
1393270368 is an abundant number, since it is smaller than the sum of its proper divisors (2857505952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1393270368 is a wasteful number, since it uses less digits than its factorization.
1393270368 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35220 (or 35212 counting only the distinct ones).
The product of its (nonzero) digits is 163296, while the sum is 42.
The square root of 1393270368 is about 37326.5370480574. The cubic root of 1393270368 is about 1116.8935944937.
The spelling of 1393270368 in words is "one billion, three hundred ninety-three million, two hundred seventy thousand, three hundred sixty-eight".
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