Base | Representation |
---|---|
bin | 10000101111001001011100 |
3 | 22020220102001 |
4 | 100233021130 |
5 | 2110344140 |
6 | 234012044 |
7 | 52202212 |
oct | 20571134 |
9 | 8226361 |
10 | 4387420 |
11 | 2527374 |
12 | 1577024 |
13 | ba800b |
14 | 822cb2 |
15 | 5b9e9a |
hex | 42f25c |
4387420 has 12 divisors (see below), whose sum is σ = 9213624. Its totient is φ = 1754960.
The previous prime is 4387391. The next prime is 4387429. The reversal of 4387420 is 247834.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4387429) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109666 + ... + 109705.
It is an arithmetic number, because the mean of its divisors is an integer number (767802).
Almost surely, 24387420 is an apocalyptic number.
It is an amenable number.
4387420 is an abundant number, since it is smaller than the sum of its proper divisors (4826204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4387420 is a wasteful number, since it uses less digits than its factorization.
4387420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 219380 (or 219378 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 28.
The square root of 4387420 is about 2094.6169100817. The cubic root of 4387420 is about 163.7079374511.
It can be divided in two parts, 4 and 387420, that multiplied together give a triangular number (1549680 = T1760).
The spelling of 4387420 in words is "four million, three hundred eighty-seven thousand, four hundred twenty".
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