Base | Representation |
---|---|
bin | 11001100000011… |
… | …101101001001110 |
3 | 1002211020121220120 |
4 | 121200131221032 |
5 | 1334023043210 |
6 | 110244125410 |
7 | 13414301511 |
oct | 3140355116 |
9 | 1084217816 |
10 | 427940430 |
11 | 1aa619a85 |
12 | bb396866 |
13 | 6a874cb8 |
14 | 40b98d78 |
15 | 27882270 |
hex | 1981da4e |
427940430 has 64 divisors (see below), whose sum is σ = 1075286016. Its totient is φ = 108864000.
The previous prime is 427940423. The next prime is 427940441. The reversal of 427940430 is 34049724.
It is a junction number, because it is equal to n+sod(n) for n = 427940391 and 427940400.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62790 + ... + 69270.
It is an arithmetic number, because the mean of its divisors is an integer number (16801344).
Almost surely, 2427940430 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 427940430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (537643008).
427940430 is an abundant number, since it is smaller than the sum of its proper divisors (647345586).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
427940430 is a wasteful number, since it uses less digits than its factorization.
427940430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6593.
The product of its (nonzero) digits is 24192, while the sum is 33.
The square root of 427940430 is about 20686.7211031618. The cubic root of 427940430 is about 753.5772395714.
The spelling of 427940430 in words is "four hundred twenty-seven million, nine hundred forty thousand, four hundred thirty".
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