Base | Representation |
---|---|
bin | 111001100100… |
… | …1010100000000 |
3 | 2002210112122000 |
4 | 1303021110000 |
5 | 30211402304 |
6 | 2554544000 |
7 | 514365024 |
oct | 163112400 |
9 | 62715560 |
10 | 30184704 |
11 | 16047240 |
12 | a138000 |
13 | 633b094 |
14 | 401a384 |
15 | 29b3939 |
hex | 1cc9500 |
30184704 has 144 divisors (see below), whose sum is σ = 97621440. Its totient is φ = 9123840.
The previous prime is 30184699. The next prime is 30184709. The reversal of 30184704 is 40748103.
It is an interprime number because it is at equal distance from previous prime (30184699) and next prime (30184709).
It is a tau number, because it is divible by the number of its divisors (144).
It is a super-2 number, since 2×301847042 = 1822232711135232, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30184709) 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, 75834 + ... + 76230.
Almost surely, 230184704 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30184704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48810720).
30184704 is an abundant number, since it is smaller than the sum of its proper divisors (67436736).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30184704 is a wasteful number, since it uses less digits than its factorization.
30184704 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 433 (or 413 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 27.
The square root of 30184704 is about 5494.0607932567. The cubic root of 30184704 is about 311.3596333195.
The spelling of 30184704 in words is "thirty million, one hundred eighty-four thousand, seven hundred four".
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