Base | Representation |
---|---|
bin | 111001111000… |
… | …1110000111101 |
3 | 2010002221220210 |
4 | 1303301300331 |
5 | 30232203042 |
6 | 3002303033 |
7 | 515655060 |
oct | 163616075 |
9 | 63087823 |
10 | 30350397 |
11 | 1614a780 |
12 | a1b7a79 |
13 | 639861c |
14 | 40608d7 |
15 | 29e7a9c |
hex | 1cf1c3d |
30350397 has 64 divisors (see below), whose sum is σ = 53581824. Its totient is φ = 14826240.
The previous prime is 30350387. The next prime is 30350431. The reversal of 30350397 is 79305303.
It is not a de Polignac number, because 30350397 - 24 = 30350381 is a prime.
It is a super-2 number, since 2×303503972 = 1842293196115218, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30350357) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 452958 + ... + 453024.
It is an arithmetic number, because the mean of its divisors is an integer number (837216).
Almost surely, 230350397 is an apocalyptic number.
30350397 is a gapful number since it is divisible by the number (37) formed by its first and last digit.
It is an amenable number.
30350397 is a deficient number, since it is larger than the sum of its proper divisors (23231427).
30350397 is a wasteful number, since it uses less digits than its factorization.
30350397 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 178.
The product of its (nonzero) digits is 8505, while the sum is 30.
The square root of 30350397 is about 5509.1194396201. The cubic root of 30350397 is about 311.9283098764.
The spelling of 30350397 in words is "thirty million, three hundred fifty thousand, three hundred ninety-seven".
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