Base | Representation |
---|---|
bin | 11111100011110… |
… | …110110111110010 |
3 | 1100220100001112000 |
4 | 133203312313302 |
5 | 2041022242430 |
6 | 124312514430 |
7 | 16056422541 |
oct | 3743666762 |
9 | 1326301460 |
10 | 529493490 |
11 | 251981329 |
12 | 1293aba16 |
13 | 85910676 |
14 | 50472158 |
15 | 31741e60 |
hex | 1f8f6df2 |
529493490 has 64 divisors (see below), whose sum is σ = 1421089920. Its totient is φ = 140287680.
The previous prime is 529493483. The next prime is 529493507. The reversal of 529493490 is 94394925.
It is a happy number.
529493490 is a `hidden beast` number, since 529 + 4 + 9 + 34 + 90 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36145 + ... + 48635.
It is an arithmetic number, because the mean of its divisors is an integer number (22204530).
Almost surely, 2529493490 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 529493490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (710544960).
529493490 is an abundant number, since it is smaller than the sum of its proper divisors (891596430).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
529493490 is a wasteful number, since it uses less digits than its factorization.
529493490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12664 (or 12658 counting only the distinct ones).
The product of its (nonzero) digits is 349920, while the sum is 45.
The square root of 529493490 is about 23010.7255426681. The cubic root of 529493490 is about 809.0093513220.
The spelling of 529493490 in words is "five hundred twenty-nine million, four hundred ninety-three thousand, four hundred ninety".
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