Base | Representation |
---|---|
bin | 10110100111001… |
… | …001001100010101 |
3 | 222102211111010011 |
4 | 112213021030111 |
5 | 1234104010041 |
6 | 101351000221 |
7 | 12254335615 |
oct | 2647111425 |
9 | 872744104 |
10 | 379360021 |
11 | 185158887 |
12 | a7069071 |
13 | 60795ab1 |
14 | 38550a45 |
15 | 23487e81 |
hex | 169c9315 |
379360021 has 4 divisors (see below), whose sum is σ = 383043232. Its totient is φ = 375676812.
The previous prime is 379359997. The next prime is 379360031. The reversal of 379360021 is 120063973.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 379360021 - 29 = 379359509 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (379360031) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1841451 + ... + 1841656.
It is an arithmetic number, because the mean of its divisors is an integer number (95760808).
Almost surely, 2379360021 is an apocalyptic number.
It is an amenable number.
379360021 is a deficient number, since it is larger than the sum of its proper divisors (3683211).
379360021 is a wasteful number, since it uses less digits than its factorization.
379360021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3683210.
The product of its (nonzero) digits is 6804, while the sum is 31.
The square root of 379360021 is about 19477.1666573966. The cubic root of 379360021 is about 723.9087958584.
The spelling of 379360021 in words is "three hundred seventy-nine million, three hundred sixty thousand, twenty-one".
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