Base | Representation |
---|---|
bin | 10110101011111… |
… | …111111001000001 |
3 | 222112020010211020 |
4 | 112223333321001 |
5 | 1234420221031 |
6 | 101434140053 |
7 | 12301216104 |
oct | 2653777101 |
9 | 875203736 |
10 | 380632641 |
11 | 185947a34 |
12 | a7581629 |
13 | 60b2011c |
14 | 387a273b |
15 | 2363a096 |
hex | 16affe41 |
380632641 has 4 divisors (see below), whose sum is σ = 507510192. Its totient is φ = 253755092.
The previous prime is 380632639. The next prime is 380632657. The reversal of 380632641 is 146236083.
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 380632641 - 21 = 380632639 is a prime.
It is not an unprimeable number, because it can be changed into a prime (380632621) 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, 63438771 + ... + 63438776.
It is an arithmetic number, because the mean of its divisors is an integer number (126877548).
Almost surely, 2380632641 is an apocalyptic number.
It is an amenable number.
380632641 is a deficient number, since it is larger than the sum of its proper divisors (126877551).
380632641 is a wasteful number, since it uses less digits than its factorization.
380632641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 126877550.
The product of its (nonzero) digits is 20736, while the sum is 33.
The square root of 380632641 is about 19509.8088406832. The cubic root of 380632641 is about 724.7173791806.
It can be divided in two parts, 38063 and 2641, that added together give a palindrome (40704).
The spelling of 380632641 in words is "three hundred eighty million, six hundred thirty-two thousand, six hundred forty-one".
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