Base | Representation |
---|---|
bin | 10001100100110… |
… | …00010100001000 |
3 | 101021101221102102 |
4 | 20302120110020 |
5 | 300220041040 |
6 | 22343452532 |
7 | 3440042045 |
oct | 1062302410 |
9 | 337357372 |
10 | 147424520 |
11 | 76243251 |
12 | 41457148 |
13 | 24709859 |
14 | 158181cc |
15 | ce21515 |
hex | 8c98508 |
147424520 has 64 divisors (see below), whose sum is σ = 342120240. Its totient is φ = 57139200.
The previous prime is 147424513. The next prime is 147424523. The reversal of 147424520 is 25424741.
It can be written as a sum of positive squares in 8 ways, for example, as 45131524 + 102292996 = 6718^2 + 10114^2 .
It is not an unprimeable number, because it can be changed into a prime (147424523) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 395054 + ... + 395426.
Almost surely, 2147424520 is an apocalyptic number.
147424520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 147424520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171060120).
147424520 is an abundant number, since it is smaller than the sum of its proper divisors (194695720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
147424520 is a wasteful number, since it uses less digits than its factorization.
147424520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 666 (or 662 counting only the distinct ones).
The product of its (nonzero) digits is 8960, while the sum is 29.
The square root of 147424520 is about 12141.8499414216. The cubic root of 147424520 is about 528.2707614190.
It can be divided in two parts, 1474245 and 20, that multiplied together give a square (29484900 = 54302).
The spelling of 147424520 in words is "one hundred forty-seven million, four hundred twenty-four thousand, five hundred twenty".
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