Base | Representation |
---|---|
bin | 111001100100… |
… | …1010100110000 |
3 | 2002210112200210 |
4 | 1303021110300 |
5 | 30211403002 |
6 | 2554544120 |
7 | 514365123 |
oct | 163112460 |
9 | 62715623 |
10 | 30184752 |
11 | 16047284 |
12 | a138040 |
13 | 633b100 |
14 | 401a3ba |
15 | 29b396c |
hex | 1cc9530 |
30184752 has 90 divisors (see below), whose sum is σ = 85843836. Its totient is φ = 9135360.
The previous prime is 30184729. The next prime is 30184757. The reversal of 30184752 is 25748103.
It is a super-2 number, since 2×301847522 = 1822238506603008, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30184757) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 494802 + ... + 494862.
Almost surely, 230184752 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 30184752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42921918).
30184752 is an abundant number, since it is smaller than the sum of its proper divisors (55659084).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30184752 is a wasteful number, since it uses less digits than its factorization.
30184752 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 159 (or 79 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 30.
The square root of 30184752 is about 5494.0651616085. The cubic root of 30184752 is about 311.3597983617.
The spelling of 30184752 in words is "thirty million, one hundred eighty-four thousand, seven hundred fifty-two".
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