Base | Representation |
---|---|
bin | 111010010000… |
… | …0010010110111 |
3 | 2010110122100112 |
4 | 1310200102313 |
5 | 30304302413 |
6 | 3010333235 |
7 | 520410524 |
oct | 164402267 |
9 | 63418315 |
10 | 30540983 |
11 | 1626a990 |
12 | a28a21b |
13 | 64342b5 |
14 | 40b014b |
15 | 2a342a8 |
hex | 1d204b7 |
30540983 has 8 divisors (see below), whose sum is σ = 34392576. Its totient is φ = 26868600.
The previous prime is 30540953. The next prime is 30540989. The reversal of 30540983 is 38904503.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30540983 - 26 = 30540919 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30540989) 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, 44441 + ... + 45122.
It is an arithmetic number, because the mean of its divisors is an integer number (4299072).
Almost surely, 230540983 is an apocalyptic number.
30540983 is a deficient number, since it is larger than the sum of its proper divisors (3851593).
30540983 is a wasteful number, since it uses less digits than its factorization.
30540983 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 89605.
The product of its (nonzero) digits is 12960, while the sum is 32.
The square root of 30540983 is about 5526.3896894808. The cubic root of 30540983 is about 312.5798682257.
The spelling of 30540983 in words is "thirty million, five hundred forty thousand, nine hundred eighty-three".
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