Base | Representation |
---|---|
bin | 11111001000111… |
… | …111010010000110 |
3 | 1100102002012202000 |
4 | 133020333102012 |
5 | 2032221400204 |
6 | 123501530130 |
7 | 15642516000 |
oct | 3710772206 |
9 | 1312065660 |
10 | 522450054 |
11 | 248a00505 |
12 | 126b73946 |
13 | 84315759 |
14 | 4d55b370 |
15 | 30d00039 |
hex | 1f23f486 |
522450054 has 128 divisors (see below), whose sum is σ = 1377408000. Its totient is φ = 146694240.
The previous prime is 522450053. The next prime is 522450059. The reversal of 522450054 is 450054225.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (522450053) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1240764 + ... + 1241184.
It is an arithmetic number, because the mean of its divisors is an integer number (10761000).
Almost surely, 2522450054 is an apocalyptic number.
522450054 is a gapful number since it is divisible by the number (54) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 522450054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (688704000).
522450054 is an abundant number, since it is smaller than the sum of its proper divisors (854957946).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
522450054 is a wasteful number, since it uses less digits than its factorization.
522450054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 520 (or 500 counting only the distinct ones).
The product of its (nonzero) digits is 8000, while the sum is 27.
The square root of 522450054 is about 22857.1663598093. The cubic root of 522450054 is about 805.4061214798.
It can be divided in two parts, 5224 and 50054, that added together give a triangular number (55278 = T332).
The spelling of 522450054 in words is "five hundred twenty-two million, four hundred fifty thousand, fifty-four".
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