Base | Representation |
---|---|
bin | 111010011110… |
… | …0101100101100 |
3 | 2010200112221110 |
4 | 1310330230230 |
5 | 30322013244 |
6 | 3013032020 |
7 | 521403645 |
oct | 164745454 |
9 | 63615843 |
10 | 30657324 |
11 | 1633a335 |
12 | a325610 |
13 | 6475239 |
14 | 41006cc |
15 | 2a589b9 |
hex | 1d3cb2c |
30657324 has 48 divisors (see below), whose sum is σ = 76906368. Its totient is φ = 9470208.
The previous prime is 30657313. The next prime is 30657329. The reversal of 30657324 is 42375603.
It is a junction number, because it is equal to n+sod(n) for n = 30657291 and 30657300.
It is not an unprimeable number, because it can be changed into a prime (30657329) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12547 + ... + 14789.
It is an arithmetic number, because the mean of its divisors is an integer number (1602216).
Almost surely, 230657324 is an apocalyptic number.
30657324 is a gapful number since it is divisible by the number (34) 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 30657324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38453184).
30657324 is an abundant number, since it is smaller than the sum of its proper divisors (46249044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30657324 is a wasteful number, since it uses less digits than its factorization.
30657324 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2334 (or 2332 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 30.
The square root of 30657324 is about 5536.9056340162. The cubic root of 30657324 is about 312.9762730094.
It can be divided in two parts, 306 and 57324, that added together give a triangular number (57630 = T339).
The spelling of 30657324 in words is "thirty million, six hundred fifty-seven thousand, three hundred twenty-four".
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