Base | Representation |
---|---|
bin | 111001110001… |
… | …1110010000001 |
3 | 2010000001100110 |
4 | 1303203302001 |
5 | 30223334441 |
6 | 3001141533 |
7 | 515326065 |
oct | 163436201 |
9 | 63001313 |
10 | 30293121 |
11 | 16110741 |
12 | a18a8a9 |
13 | 6378531 |
14 | 4047aa5 |
15 | 29d5b16 |
hex | 1ce3c81 |
30293121 has 8 divisors (see below), whose sum is σ = 41482624. Its totient is φ = 19649520.
The previous prime is 30293119. The next prime is 30293141. The reversal of 30293121 is 12139203.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30293121 - 21 = 30293119 is a prime.
It is a super-3 number, since 3×302931213 (a number of 23 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (30293101) 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, 136345 + ... + 136566.
It is an arithmetic number, because the mean of its divisors is an integer number (5185328).
Almost surely, 230293121 is an apocalyptic number.
It is an amenable number.
30293121 is a deficient number, since it is larger than the sum of its proper divisors (11189503).
30293121 is a wasteful number, since it uses less digits than its factorization.
30293121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 272951.
The product of its (nonzero) digits is 324, while the sum is 21.
The square root of 30293121 is about 5503.9186948937. The cubic root of 30293121 is about 311.7319669605.
The spelling of 30293121 in words is "thirty million, two hundred ninety-three thousand, one hundred twenty-one".
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