Base | Representation |
---|---|
bin | 11111101001100… |
… | …011111111011100 |
3 | 1101000011001000000 |
4 | 133221203333130 |
5 | 2041413122040 |
6 | 124404534300 |
7 | 16105221642 |
oct | 3751437734 |
9 | 1330131000 |
10 | 530989020 |
11 | 252802a01 |
12 | 1299b1390 |
13 | 860152b3 |
14 | 50741192 |
15 | 3193a130 |
hex | 1fa63fdc |
530989020 has 168 divisors, whose sum is σ = 1696685760. Its totient is φ = 139501440.
The previous prime is 530989013. The next prime is 530989027. The reversal of 530989020 is 20989035.
It is an interprime number because it is at equal distance from previous prime (530989013) and next prime (530989027).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (530989027) by changing a digit.
It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1151590 + ... + 1152050.
It is an arithmetic number, because the mean of its divisors is an integer number (10099320).
Almost surely, 2530989020 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 530989020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (848342880).
530989020 is an abundant number, since it is smaller than the sum of its proper divisors (1165696740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
530989020 is a wasteful number, since it uses less digits than its factorization.
530989020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 567 (or 550 counting only the distinct ones).
The product of its (nonzero) digits is 19440, while the sum is 36.
The square root of 530989020 is about 23043.1989966671. The cubic root of 530989020 is about 809.7703052411.
The spelling of 530989020 in words is "five hundred thirty million, nine hundred eighty-nine thousand, twenty".
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