Base | Representation |
---|---|
bin | 111010011000… |
… | …1011001111000 |
3 | 2010121012111010 |
4 | 1310301121320 |
5 | 30314023224 |
6 | 3012033520 |
7 | 521122041 |
oct | 164613170 |
9 | 63535433 |
10 | 30611064 |
11 | 16308600 |
12 | a3028a0 |
13 | 645a173 |
14 | 40cb8c8 |
15 | 2a49e29 |
hex | 1d31678 |
30611064 has 96 divisors (see below), whose sum is σ = 85800960. Its totient is φ = 9092160.
The previous prime is 30611059. The next prime is 30611069. The reversal of 30611064 is 46011603.
It is an interprime number because it is at equal distance from previous prime (30611059) and next prime (30611069).
It is a self number, because there is not a number n which added to its sum of digits gives 30611064.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30611069) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 240969 + ... + 241095.
It is an arithmetic number, because the mean of its divisors is an integer number (893760).
Almost surely, 230611064 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 30611064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42900480).
30611064 is an abundant number, since it is smaller than the sum of its proper divisors (55189896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30611064 is a wasteful number, since it uses less digits than its factorization.
30611064 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 241 (or 226 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 21.
The square root of 30611064 is about 5532.7266334060. The cubic root of 30611064 is about 312.8187731705.
Adding to 30611064 its reverse (46011603), we get a palindrome (76622667).
The spelling of 30611064 in words is "thirty million, six hundred eleven thousand, sixty-four".
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