Base | Representation |
---|---|
bin | 110001100000001… |
… | …101000000100000 |
3 | 2010212210001202200 |
4 | 301200031000200 |
5 | 3200103303342 |
6 | 214225013200 |
7 | 26403231030 |
oct | 6140150040 |
9 | 2125701680 |
10 | 830525472 |
11 | 3968a0097 |
12 | 1b2184200 |
13 | 1030b00ba |
14 | 7c4338c0 |
15 | 4cda694c |
hex | 3180d020 |
830525472 has 72 divisors (see below), whose sum is σ = 2699214336. Its totient is φ = 237292416.
The previous prime is 830525467. The next prime is 830525539. The reversal of 830525472 is 274525038.
It is a tau number, because it is divible by the number of its divisors (72).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an alternating number because its digits alternate between even and odd.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 203968 + ... + 207999.
It is an arithmetic number, because the mean of its divisors is an integer number (37489088).
Almost surely, 2830525472 is an apocalyptic number.
It is an amenable number.
830525472 is an abundant number, since it is smaller than the sum of its proper divisors (1868688864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
830525472 is a wasteful number, since it uses less digits than its factorization.
830525472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 411990 (or 411979 counting only the distinct ones).
The product of its (nonzero) digits is 67200, while the sum is 36.
The square root of 830525472 is about 28818.8388385098. The cubic root of 830525472 is about 939.9779201091.
The spelling of 830525472 in words is "eight hundred thirty million, five hundred twenty-five thousand, four hundred seventy-two".
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