Base | Representation |
---|---|
bin | 111001010110… |
… | …0001101000000 |
3 | 2002120111002000 |
4 | 1302230031000 |
5 | 30144043342 |
6 | 2552224000 |
7 | 513360303 |
oct | 162541500 |
9 | 62514060 |
10 | 30065472 |
11 | 15a756a8 |
12 | a09b000 |
13 | 62c8a28 |
14 | 3dc8b3a |
15 | 298d44c |
hex | 1cac340 |
30065472 has 112 divisors (see below), whose sum is σ = 89733120. Its totient is φ = 9870336.
The previous prime is 30065437. The next prime is 30065507. The reversal of 30065472 is 27456003.
It is a happy number.
30065472 is a `hidden beast` number, since 3 + 0 + 0 + 654 + 7 + 2 = 666.
It is an interprime number because it is at equal distance from previous prime (30065437) and next prime (30065507).
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219388 + ... + 219524.
Almost surely, 230065472 is an apocalyptic number.
30065472 is a gapful number since it is divisible by the number (32) 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 30065472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44866560).
30065472 is an abundant number, since it is smaller than the sum of its proper divisors (59667648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30065472 is a wasteful number, since it uses less digits than its factorization.
30065472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 285 (or 269 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 27.
The square root of 30065472 is about 5483.1990662386. The cubic root of 30065472 is about 310.9491271647.
The spelling of 30065472 in words is "thirty million, sixty-five thousand, four hundred seventy-two".
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