Base | Representation |
---|---|
bin | 10010001111101… |
… | …01000010110100 |
3 | 101122222121022120 |
4 | 21013311002310 |
5 | 303140002340 |
6 | 23104155540 |
7 | 3535610544 |
oct | 1107650264 |
9 | 348877276 |
10 | 153047220 |
11 | 79433707 |
12 | 43308bb0 |
13 | 25927bb1 |
14 | 1647d324 |
15 | d6824d0 |
hex | 91f50b4 |
153047220 has 48 divisors (see below), whose sum is σ = 431188800. Its totient is φ = 40559616.
The previous prime is 153047099. The next prime is 153047233. The reversal of 153047220 is 22740351.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1956 + ... + 17604.
It is an arithmetic number, because the mean of its divisors is an integer number (8983100).
Almost surely, 2153047220 is an apocalyptic number.
153047220 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 153047220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215594400).
153047220 is an abundant number, since it is smaller than the sum of its proper divisors (278141580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
153047220 is a wasteful number, since it uses less digits than its factorization.
153047220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15824 (or 15822 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 24.
The square root of 153047220 is about 12371.2254849712. The cubic root of 153047220 is about 534.9031414021.
Adding to 153047220 its reverse (22740351), we get a palindrome (175787571).
The spelling of 153047220 in words is "one hundred fifty-three million, forty-seven thousand, two hundred twenty".
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