Base | Representation |
---|---|
bin | 111010100101… |
… | …1110010000000 |
3 | 2010210200200121 |
4 | 1311023302000 |
5 | 30331002404 |
6 | 3014230024 |
7 | 522052033 |
oct | 165136200 |
9 | 63720617 |
10 | 30719104 |
11 | 16381799 |
12 | a355314 |
13 | 64973b0 |
14 | 411901a |
15 | 2a6be54 |
hex | 1d4bc80 |
30719104 has 32 divisors (see below), whose sum is σ = 65909340. Its totient is φ = 14177280.
The previous prime is 30719093. The next prime is 30719111. The reversal of 30719104 is 40191703.
It can be written as a sum of positive squares in 2 ways, for example, as 24206400 + 6512704 = 4920^2 + 2552^2 .
It is a tau number, because it is divible by the number of its divisors (32).
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 7567 + ... + 10894.
Almost surely, 230719104 is an apocalyptic number.
It is an amenable number.
30719104 is an abundant number, since it is smaller than the sum of its proper divisors (35190236).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30719104 is a wasteful number, since it uses less digits than its factorization.
30719104 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18488 (or 18476 counting only the distinct ones).
The product of its (nonzero) digits is 756, while the sum is 25.
The square root of 30719104 is about 5542.4817545933. The cubic root of 30719104 is about 313.1863663669.
The spelling of 30719104 in words is "thirty million, seven hundred nineteen thousand, one hundred four".
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