Base | Representation |
---|---|
bin | 11111101011011… |
… | …100000010101000 |
3 | 1101001002000112000 |
4 | 133223130002220 |
5 | 2042024340434 |
6 | 124423251000 |
7 | 16112340354 |
oct | 3753340250 |
9 | 1331060460 |
10 | 531480744 |
11 | 253009393 |
12 | 129ba9a60 |
13 | 86158062 |
14 | 5082c464 |
15 | 319d5b99 |
hex | 1fadc0a8 |
531480744 has 32 divisors (see below), whose sum is σ = 1476336000. Its totient is φ = 177160176.
The previous prime is 531480737. The next prime is 531480779. The reversal of 531480744 is 447084135.
531480744 is a `hidden beast` number, since 531 + 4 + 80 + 7 + 44 = 666.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 531480699 and 531480708.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1230064 + ... + 1230495.
It is an arithmetic number, because the mean of its divisors is an integer number (46135500).
Almost surely, 2531480744 is an apocalyptic number.
531480744 is a gapful number since it is divisible by the number (54) formed by its first and last digit.
It is an amenable number.
531480744 is an abundant number, since it is smaller than the sum of its proper divisors (944855256).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
531480744 is a wasteful number, since it uses less digits than its factorization.
531480744 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2460574 (or 2460564 counting only the distinct ones).
The product of its (nonzero) digits is 53760, while the sum is 36.
The square root of 531480744 is about 23053.8661399775. The cubic root of 531480744 is about 810.0201915406.
The spelling of 531480744 in words is "five hundred thirty-one million, four hundred eighty thousand, seven hundred forty-four".
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