Base | Representation |
---|---|
bin | 111010010001… |
… | …1010010100000 |
3 | 2010111021011210 |
4 | 1310203102200 |
5 | 30310200443 |
6 | 3010510120 |
7 | 520461345 |
oct | 164432240 |
9 | 63437153 |
10 | 30553248 |
11 | 16279120 |
12 | a295340 |
13 | 6439a5b |
14 | 40b47cc |
15 | 2a37c33 |
hex | 1d234a0 |
30553248 has 48 divisors (see below), whose sum is σ = 87496416. Its totient is φ = 9258240.
The previous prime is 30553247. The next prime is 30553249. The reversal of 30553248 is 84235503.
It is an interprime number because it is at equal distance from previous prime (30553247) and next prime (30553249).
It is a tau number, because it is divible by the number of its divisors (48).
It is not an unprimeable number, because it can be changed into a prime (30553247) 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, 13411 + ... + 15522.
It is an arithmetic number, because the mean of its divisors is an integer number (1822842).
Almost surely, 230553248 is an apocalyptic number.
It is an amenable number.
30553248 is an abundant number, since it is smaller than the sum of its proper divisors (56943168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30553248 is a wasteful number, since it uses less digits than its factorization.
30553248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28957 (or 28949 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 30.
The square root of 30553248 is about 5527.4992537313. The cubic root of 30553248 is about 312.6217057678.
The spelling of 30553248 in words is "thirty million, five hundred fifty-three thousand, two hundred forty-eight".
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