Base | Representation |
---|---|
bin | 10101100101000000000 |
3 | 1022220220212 |
4 | 2230220000 |
5 | 140111242 |
6 | 23053252 |
7 | 6003302 |
oct | 2545000 |
9 | 1286825 |
10 | 707072 |
11 | 443263 |
12 | 2a1228 |
13 | 1b9ab2 |
14 | 145972 |
15 | de782 |
hex | aca00 |
707072 has 20 divisors (see below), whose sum is σ = 1413786. Its totient is φ = 353280.
The previous prime is 707071. The next prime is 707099. The reversal of 707072 is 270707.
It can be written as a sum of positive squares in only one way, i.e., 614656 + 92416 = 784^2 + 304^2 .
It is an alternating number because its digits alternate between odd and even.
It is not an unprimeable number, because it can be changed into a prime (707071) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 179 + ... + 1202.
2707072 is an apocalyptic number.
It is an amenable number.
707072 is a deficient number, since it is larger than the sum of its proper divisors (706714).
707072 is an equidigital number, since it uses as much as digits as its factorization.
707072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1399 (or 1383 counting only the distinct ones).
The product of its (nonzero) digits is 686, while the sum is 23.
The square root of 707072 is about 840.8757339821. The cubic root of 707072 is about 89.0884110718.
Adding to 707072 its reverse (270707), we get a palindrome (977779).
The spelling of 707072 in words is "seven hundred seven thousand, seventy-two", and thus it is an iban number.
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