Base | Representation |
---|---|
bin | 11001100000011… |
… | …101000101001000 |
3 | 1002211020111202000 |
4 | 121200131011020 |
5 | 1334023004440 |
6 | 110244111000 |
7 | 13414262001 |
oct | 3140350510 |
9 | 1084214660 |
10 | 427938120 |
11 | 1aa618275 |
12 | bb395460 |
13 | 6a873c2c |
14 | 40b981a8 |
15 | 27881730 |
hex | 1981d148 |
427938120 has 64 divisors (see below), whose sum is σ = 1426464000. Its totient is φ = 114116544.
The previous prime is 427938113. The next prime is 427938139. The reversal of 427938120 is 21839724.
427938120 is a `hidden beast` number, since 4 + 279 + 381 + 2 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 197040 + ... + 199199.
It is an arithmetic number, because the mean of its divisors is an integer number (22288500).
Almost surely, 2427938120 is an apocalyptic number.
427938120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
427938120 is an abundant number, since it is smaller than the sum of its proper divisors (998525880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
427938120 is a wasteful number, since it uses less digits than its factorization.
427938120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 396259 (or 396249 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 36.
The square root of 427938120 is about 20686.6652701686. The cubic root of 427938120 is about 753.5758836455.
The spelling of 427938120 in words is "four hundred twenty-seven million, nine hundred thirty-eight thousand, one hundred twenty".
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