Base | Representation |
---|---|
bin | 10111111011010… |
… | …101011000001110 |
3 | 1000222100202110220 |
4 | 113323111120032 |
5 | 1310231230110 |
6 | 103500012210 |
7 | 12643045641 |
oct | 2773253016 |
9 | 1028322426 |
10 | 401430030 |
11 | 196662361 |
12 | b2531066 |
13 | 65222481 |
14 | 3b457a58 |
15 | 25397370 |
hex | 17ed560e |
401430030 has 16 divisors (see below), whose sum is σ = 963432144. Its totient is φ = 107048000.
The previous prime is 401430023. The next prime is 401430049. The reversal of 401430030 is 30034104.
It is a super-2 number, since 2×4014300302 = 322292137971601800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a junction number, because it is equal to n+sod(n) for n = 401429991 and 401430009.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6690471 + ... + 6690530.
It is an arithmetic number, because the mean of its divisors is an integer number (60214509).
Almost surely, 2401430030 is an apocalyptic number.
401430030 is an abundant number, since it is smaller than the sum of its proper divisors (562002114).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
401430030 is a wasteful number, since it uses less digits than its factorization.
401430030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13381011.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 401430030 is about 20035.7188540866. The cubic root of 401430030 is about 737.6833013687.
Adding to 401430030 its reverse (30034104), we get a palindrome (431464134).
The spelling of 401430030 in words is "four hundred one million, four hundred thirty thousand, thirty".
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