Base | Representation |
---|---|
bin | 111001010101… |
… | …0010000000001 |
3 | 2002120002002202 |
4 | 1302222100001 |
5 | 30143314343 |
6 | 2552122545 |
7 | 513325055 |
oct | 162522001 |
9 | 62502082 |
10 | 30057473 |
11 | 15a6a696 |
12 | a096455 |
13 | 62c51b4 |
14 | 3dc5c65 |
15 | 298adb8 |
hex | 1caa401 |
30057473 has 8 divisors (see below), whose sum is σ = 31218528. Its totient is φ = 28917504.
The previous prime is 30057463. The next prime is 30057523. The reversal of 30057473 is 37475003.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30057473 - 26 = 30057409 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30057463) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2336 + ... + 8097.
It is an arithmetic number, because the mean of its divisors is an integer number (3902316).
Almost surely, 230057473 is an apocalyptic number.
It is an amenable number.
30057473 is a deficient number, since it is larger than the sum of its proper divisors (1161055).
30057473 is a wasteful number, since it uses less digits than its factorization.
30057473 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10543.
The product of its (nonzero) digits is 8820, while the sum is 29.
The square root of 30057473 is about 5482.4696077589. The cubic root of 30057473 is about 310.9215484338.
The spelling of 30057473 in words is "thirty million, fifty-seven thousand, four hundred seventy-three".
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