Base | Representation |
---|---|
bin | 111111111001100… |
… | …100010001101101 |
3 | 2202201021001112202 |
4 | 333321210101231 |
5 | 4143421233110 |
6 | 254213511245 |
7 | 35365214651 |
oct | 7771442155 |
9 | 2681231482 |
10 | 1072055405 |
11 | 500169103 |
12 | 25b042525 |
13 | 141148415 |
14 | a2546a61 |
15 | 641b60a5 |
hex | 3fe6446d |
1072055405 has 8 divisors (see below), whose sum is σ = 1288332384. Its totient is φ = 856400400.
The previous prime is 1072055381. The next prime is 1072055417. The reversal of 1072055405 is 5045502701.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1072055405 - 210 = 1072054381 is a prime.
It is a super-2 number, since 2×10720554052 = 2298605582779428050, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
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, 151691 + ... + 158600.
It is an arithmetic number, because the mean of its divisors is an integer number (161041548).
Almost surely, 21072055405 is an apocalyptic number.
It is an amenable number.
1072055405 is a deficient number, since it is larger than the sum of its proper divisors (216276979).
1072055405 is an equidigital number, since it uses as much as digits as its factorization.
1072055405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 310987.
The product of its (nonzero) digits is 7000, while the sum is 29.
The square root of 1072055405 is about 32742.2571763157. The cubic root of 1072055405 is about 1023.4636209272.
The spelling of 1072055405 in words is "one billion, seventy-two million, fifty-five thousand, four hundred five".
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