Base | Representation |
---|---|
bin | 111010000101… |
… | …1001011001001 |
3 | 2010022020200110 |
4 | 1310023023021 |
5 | 30244020343 |
6 | 3004424533 |
7 | 516600360 |
oct | 164131311 |
9 | 63266613 |
10 | 30454473 |
11 | 16210995 |
12 | a248149 |
13 | 6403aca |
14 | 408a7d7 |
15 | 2a18833 |
hex | 1d0b2c9 |
30454473 has 32 divisors (see below), whose sum is σ = 49315840. Its totient is φ = 16329600.
The previous prime is 30454439. The next prime is 30454477. The reversal of 30454473 is 37445403.
It is not a de Polignac number, because 30454473 - 216 = 30388937 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30454473.
It is not an unprimeable number, because it can be changed into a prime (30454477) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50373 + ... + 50973.
It is an arithmetic number, because the mean of its divisors is an integer number (1541120).
Almost surely, 230454473 is an apocalyptic number.
It is an amenable number.
30454473 is a deficient number, since it is larger than the sum of its proper divisors (18861367).
30454473 is a wasteful number, since it uses less digits than its factorization.
30454473 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 757.
The product of its (nonzero) digits is 20160, while the sum is 30.
The square root of 30454473 is about 5518.5571483858. The cubic root of 30454473 is about 312.2844525332.
Adding to 30454473 its reverse (37445403), we get a palindrome (67899876).
The spelling of 30454473 in words is "thirty million, four hundred fifty-four thousand, four hundred seventy-three".
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