Base | Representation |
---|---|
bin | 111001111100… |
… | …0100010101001 |
3 | 2010011100222210 |
4 | 1303320202221 |
5 | 30234100103 |
6 | 3003035333 |
7 | 516132021 |
oct | 163704251 |
9 | 63140883 |
10 | 30378153 |
11 | 16169613 |
12 | a20bb49 |
13 | 63a8150 |
14 | 406aa81 |
15 | 2a00e03 |
hex | 1cf88a9 |
30378153 has 8 divisors (see below), whose sum is σ = 43619968. Its totient is φ = 18694224.
The previous prime is 30378149. The next prime is 30378157. The reversal of 30378153 is 35187303.
It is an interprime number because it is at equal distance from previous prime (30378149) and next prime (30378157).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30378153 - 22 = 30378149 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30378153.
It is not an unprimeable number, because it can be changed into a prime (30378157) 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 7 ways as a sum of consecutive naturals, for example, 389425 + ... + 389502.
It is an arithmetic number, because the mean of its divisors is an integer number (5452496).
Almost surely, 230378153 is an apocalyptic number.
It is an amenable number.
30378153 is a deficient number, since it is larger than the sum of its proper divisors (13241815).
30378153 is a wasteful number, since it uses less digits than its factorization.
30378153 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 778943.
The product of its (nonzero) digits is 7560, while the sum is 30.
The square root of 30378153 is about 5511.6379598083. The cubic root of 30378153 is about 312.0233689761.
The spelling of 30378153 in words is "thirty million, three hundred seventy-eight thousand, one hundred fifty-three".
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