Base | Representation |
---|---|
bin | 111001011010… |
… | …0101110110001 |
3 | 2002122020222200 |
4 | 1302310232301 |
5 | 30201203101 |
6 | 2553053413 |
7 | 513564162 |
oct | 162645661 |
9 | 62566880 |
10 | 30100401 |
11 | 15a99971 |
12 | a0b7269 |
13 | 630b8b6 |
14 | 3dd7769 |
15 | 2998986 |
hex | 1cb4bb1 |
30100401 has 12 divisors (see below), whose sum is σ = 43526340. Its totient is φ = 20044800.
The previous prime is 30100363. The next prime is 30100403. The reversal of 30100401 is 10400103.
It can be written as a sum of positive squares in 2 ways, for example, as 28901376 + 1199025 = 5376^2 + 1095^2 .
It is not a de Polignac number, because 30100401 - 214 = 30084017 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is not an unprimeable number, because it can be changed into a prime (30100403) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13365 + ... + 15453.
It is an arithmetic number, because the mean of its divisors is an integer number (3627195).
Almost surely, 230100401 is an apocalyptic number.
It is an amenable number.
30100401 is a deficient number, since it is larger than the sum of its proper divisors (13425939).
30100401 is a wasteful number, since it uses less digits than its factorization.
30100401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3696 (or 3693 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 9.
The square root of 30100401 is about 5486.3832348825. The cubic root of 30100401 is about 311.0694971220.
Adding to 30100401 its reverse (10400103), we get a palindrome (40500504).
The spelling of 30100401 in words is "thirty million, one hundred thousand, four hundred one".
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