Base | Representation |
---|---|
bin | 111001011011… |
… | …0011111100000 |
3 | 2002122121212220 |
4 | 1302312133200 |
5 | 30201420431 |
6 | 2553151040 |
7 | 513624210 |
oct | 162663740 |
9 | 62577786 |
10 | 30107616 |
11 | 15aa4330 |
12 | a0bb480 |
13 | 6311c76 |
14 | 3dda240 |
15 | 299ab96 |
hex | 1cb67e0 |
30107616 has 96 divisors (see below), whose sum is σ = 98558208. Its totient is φ = 7818240.
The previous prime is 30107591. The next prime is 30107633. The reversal of 30107616 is 61670103.
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is an alternating number because its digits alternate between odd and even.
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, 5356 + ... + 9428.
It is an arithmetic number, because the mean of its divisors is an integer number (1026648).
Almost surely, 230107616 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 30107616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49279104).
30107616 is an abundant number, since it is smaller than the sum of its proper divisors (68450592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30107616 is a wasteful number, since it uses less digits than its factorization.
30107616 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4104 (or 4096 counting only the distinct ones).
The product of its (nonzero) digits is 756, while the sum is 24.
The square root of 30107616 is about 5487.0407324896. The cubic root of 30107616 is about 311.0943493615.
Adding to 30107616 its reverse (61670103), we get a palindrome (91777719).
The spelling of 30107616 in words is "thirty million, one hundred seven thousand, six hundred sixteen".
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