Base | Representation |
---|---|
bin | 111010101011… |
… | …0100010111101 |
3 | 2010212221011200 |
4 | 1311112202331 |
5 | 30333410242 |
6 | 3015210113 |
7 | 522324423 |
oct | 165264275 |
9 | 63787150 |
10 | 30763197 |
11 | 16401933 |
12 | a376939 |
13 | 64b149a |
14 | 412b113 |
15 | 2a7a04c |
hex | 1d568bd |
30763197 has 6 divisors (see below), whose sum is σ = 44435742. Its totient is φ = 20508792.
The previous prime is 30763181. The next prime is 30763207. The reversal of 30763197 is 79136703.
It can be written as a sum of positive squares in only one way, i.e., 30702681 + 60516 = 5541^2 + 246^2 .
It is not a de Polignac number, because 30763197 - 24 = 30763181 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30763127) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1709058 + ... + 1709075.
It is an arithmetic number, because the mean of its divisors is an integer number (7405957).
Almost surely, 230763197 is an apocalyptic number.
It is an amenable number.
30763197 is a deficient number, since it is larger than the sum of its proper divisors (13672545).
30763197 is a wasteful number, since it uses less digits than its factorization.
30763197 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3418139 (or 3418136 counting only the distinct ones).
The product of its (nonzero) digits is 23814, while the sum is 36.
The square root of 30763197 is about 5546.4580589778. The cubic root of 30763197 is about 313.3361398823.
It can be divided in two parts, 307 and 63197, that added together give a square (63504 = 2522).
The spelling of 30763197 in words is "thirty million, seven hundred sixty-three thousand, one hundred ninety-seven".
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