Base | Representation |
---|---|
bin | 110100010000… |
… | …1110011010110 |
3 | 1220120010200210 |
4 | 1220201303112 |
5 | 24003321210 |
6 | 2415150250 |
7 | 451623360 |
oct | 150416326 |
9 | 56503623 |
10 | 27401430 |
11 | 14516111 |
12 | 9215386 |
13 | 58a5284 |
14 | 38d3d30 |
15 | 2613e20 |
hex | 1a21cd6 |
27401430 has 32 divisors (see below), whose sum is σ = 75158784. Its totient is φ = 6263136.
The previous prime is 27401411. The next prime is 27401447. The reversal of 27401430 is 3410472.
27401430 = T901 + T902 + ... + T963.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 27401397 and 27401406.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65032 + ... + 65451.
It is an arithmetic number, because the mean of its divisors is an integer number (2348712).
Almost surely, 227401430 is an apocalyptic number.
27401430 is an abundant number, since it is smaller than the sum of its proper divisors (47757354).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27401430 is a wasteful number, since it uses less digits than its factorization.
27401430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 130500.
The product of its (nonzero) digits is 672, while the sum is 21.
The square root of 27401430 is about 5234.6375232675. The cubic root of 27401430 is about 301.4794696822.
The spelling of 27401430 in words is "twenty-seven million, four hundred one thousand, four hundred thirty".
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