Base | Representation |
---|---|
bin | 10001100010000… |
… | …10010100000000 |
3 | 101020202001012121 |
4 | 20301002110000 |
5 | 300122303011 |
6 | 22332134024 |
7 | 3434044042 |
oct | 1061022400 |
9 | 336661177 |
10 | 147072256 |
11 | 76022621 |
12 | 41307314 |
13 | 24615406 |
14 | 15765a92 |
15 | cda1e71 |
hex | 8c42500 |
147072256 has 18 divisors (see below), whose sum is σ = 293570522. Its totient is φ = 73536000.
The previous prime is 147072251. The next prime is 147072257. The reversal of 147072256 is 652270741.
It can be written as a sum of positive squares in only one way, i.e., 84345856 + 62726400 = 9184^2 + 7920^2 .
It is a zygodrome in base 9.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (147072251) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286995 + ... + 287506.
Almost surely, 2147072256 is an apocalyptic number.
147072256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
147072256 is a deficient number, since it is larger than the sum of its proper divisors (146498266).
147072256 is an frugal number, since it uses more digits than its factorization.
147072256 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 574517 (or 574503 counting only the distinct ones).
The product of its (nonzero) digits is 23520, while the sum is 34.
The square root of 147072256 is about 12127.3350741208. The cubic root of 147072256 is about 527.8496664140.
The spelling of 147072256 in words is "one hundred forty-seven million, seventy-two thousand, two hundred fifty-six".
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