Base | Representation |
---|---|
bin | 1111000111000… |
… | …1011001010111 |
3 | 11102020222200112 |
4 | 3301301121113 |
5 | 112211112111 |
6 | 10142233235 |
7 | 1366466342 |
oct | 361613127 |
9 | 142228615 |
10 | 63379031 |
11 | 32859671 |
12 | 1928581b |
13 | 10190cb1 |
14 | 85bb459 |
15 | 586de8b |
hex | 3c71657 |
63379031 has 4 divisors (see below), whose sum is σ = 63960600. Its totient is φ = 62797464.
The previous prime is 63379013. The next prime is 63379051. The reversal of 63379031 is 13097336.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-63379031 is a prime.
It is a super-2 number, since 2×633790312 = 8033803140997922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (63379051) 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, 290621 + ... + 290838.
It is an arithmetic number, because the mean of its divisors is an integer number (15990150).
Almost surely, 263379031 is an apocalyptic number.
63379031 is a deficient number, since it is larger than the sum of its proper divisors (581569).
63379031 is a wasteful number, since it uses less digits than its factorization.
63379031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 581568.
The product of its (nonzero) digits is 10206, while the sum is 32.
The square root of 63379031 is about 7961.0948367671. The cubic root of 63379031 is about 398.7021078280.
The spelling of 63379031 in words is "sixty-three million, three hundred seventy-nine thousand, thirty-one".
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