Base | Representation |
---|---|
bin | 101010111100011… |
… | …000100100100000 |
3 | 1212012200210021012 |
4 | 222330120210200 |
5 | 2433420103402 |
6 | 155254120052 |
7 | 23565625325 |
oct | 5274304440 |
9 | 1765623235 |
10 | 720472352 |
11 | 33a7625a6 |
12 | 181350028 |
13 | b6359802 |
14 | 6b986b4c |
15 | 433b8452 |
hex | 2af18920 |
720472352 has 24 divisors (see below), whose sum is σ = 1420958700. Its totient is φ = 359593984.
The previous prime is 720472351. The next prime is 720472367. The reversal of 720472352 is 253274027.
It can be written as a sum of positive squares in 2 ways, for example, as 709476496 + 10995856 = 26636^2 + 3316^2 .
It is a Harshad number since it is a multiple of its sum of digits (32).
It is not an unprimeable number, because it can be changed into a prime (720472351) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1577 + ... + 37992.
Almost surely, 2720472352 is an apocalyptic number.
It is an amenable number.
720472352 is a deficient number, since it is larger than the sum of its proper divisors (700486348).
720472352 is a wasteful number, since it uses less digits than its factorization.
720472352 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40148 (or 40140 counting only the distinct ones).
The product of its (nonzero) digits is 23520, while the sum is 32.
The square root of 720472352 is about 26841.6160467286. The cubic root of 720472352 is about 896.4769065113.
The spelling of 720472352 in words is "seven hundred twenty million, four hundred seventy-two thousand, three hundred fifty-two".
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