Base | Representation |
---|---|
bin | 101001100001000… |
… | …1011101010010000 |
3 | 10121002022211211201 |
4 | 1103002023222100 |
5 | 10323112042401 |
6 | 350122320544 |
7 | 46343664400 |
oct | 12302135220 |
9 | 3532284751 |
10 | 1393080976 |
11 | 6553a33a1 |
12 | 32a659154 |
13 | 1927c8391 |
14 | d3030800 |
15 | 82479b01 |
hex | 5308ba90 |
1393080976 has 135 divisors (see below), whose sum is σ = 3321516483. Its totient is φ = 564338880.
The previous prime is 1393080971. The next prime is 1393081051. The reversal of 1393080976 is 6790803931.
The square root of 1393080976 is 37324.
It is a perfect power (a square), and thus also a powerful number.
It is a super-2 number, since 2×13930809762 = 3881349211386225152, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1393080971) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 32397211 + ... + 32397253.
Almost surely, 21393080976 is an apocalyptic number.
1393080976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
1393080976 is the 37324-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1393080976
1393080976 is an abundant number, since it is smaller than the sum of its proper divisors (1928435507).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1393080976 is an equidigital number, since it uses as much as digits as its factorization.
1393080976 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 170 (or 83 counting only the distinct ones).
The product of its (nonzero) digits is 244944, while the sum is 46.
The cubic root of 1393080976 is about 1116.8429844800.
The spelling of 1393080976 in words is "one billion, three hundred ninety-three million, eighty thousand, nine hundred seventy-six".
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