Base | Representation |
---|---|
bin | 10110100111100… |
… | …100101100000101 |
3 | 222110001012121102 |
4 | 112213210230011 |
5 | 1234121111040 |
6 | 101353225445 |
7 | 12255315146 |
oct | 2647445405 |
9 | 873035542 |
10 | 379472645 |
11 | 185225462 |
12 | a7102285 |
13 | 60805136 |
14 | 3857dacd |
15 | 234ab515 |
hex | 169e4b05 |
379472645 has 8 divisors (see below), whose sum is σ = 459397656. Its totient is φ = 300891136.
The previous prime is 379472609. The next prime is 379472647. The reversal of 379472645 is 546274973.
It can be written as a sum of positive squares in 4 ways, for example, as 18130564 + 361342081 = 4258^2 + 19009^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 379472645 - 210 = 379471621 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 379472645.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (379472647) 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, 335252 + ... + 336381.
It is an arithmetic number, because the mean of its divisors is an integer number (57424707).
Almost surely, 2379472645 is an apocalyptic number.
It is an amenable number.
379472645 is a deficient number, since it is larger than the sum of its proper divisors (79925011).
379472645 is a wasteful number, since it uses less digits than its factorization.
379472645 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 671751.
The product of its digits is 1270080, while the sum is 47.
The square root of 379472645 is about 19480.0576231181. The cubic root of 379472645 is about 723.9804265284.
The spelling of 379472645 in words is "three hundred seventy-nine million, four hundred seventy-two thousand, six hundred forty-five".
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