Base | Representation |
---|---|
bin | 111010011000… |
… | …1000100100000 |
3 | 2010121010121110 |
4 | 1310301010200 |
5 | 30314002241 |
6 | 3012023320 |
7 | 521115045 |
oct | 164610440 |
9 | 63533543 |
10 | 30609696 |
11 | 16307577 |
12 | a301b40 |
13 | 6459660 |
14 | 40cb1cc |
15 | 2a49816 |
hex | 1d31120 |
30609696 has 48 divisors (see below), whose sum is σ = 86534784. Its totient is φ = 9417984.
The previous prime is 30609671. The next prime is 30609697. The reversal of 30609696 is 69690603.
It is a tau number, because it is divible by the number of its divisors (48).
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30609697) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11016 + ... + 13511.
It is an arithmetic number, because the mean of its divisors is an integer number (1802808).
Almost surely, 230609696 is an apocalyptic number.
It is an amenable number.
30609696 is an abundant number, since it is smaller than the sum of its proper divisors (55925088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30609696 is a wasteful number, since it uses less digits than its factorization.
30609696 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24553 (or 24545 counting only the distinct ones).
The product of its (nonzero) digits is 52488, while the sum is 39.
The square root of 30609696 is about 5532.6030040118. The cubic root of 30609696 is about 312.8141131729.
The spelling of 30609696 in words is "thirty million, six hundred nine thousand, six hundred ninety-six".
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