Base | Representation |
---|---|
bin | 11001100011111… |
… | …01100101110000 |
3 | 112221110212022200 |
4 | 30301331211300 |
5 | 414343031140 |
6 | 33135503200 |
7 | 5212400424 |
oct | 1461754560 |
9 | 487425280 |
10 | 214423920 |
11 | 100044957 |
12 | 5b987b00 |
13 | 35567679 |
14 | 20698b84 |
15 | 13c58030 |
hex | cc7d970 |
214423920 has 60 divisors (see below), whose sum is σ = 720109416. Its totient is φ = 57179520.
The previous prime is 214423903. The next prime is 214423927. The reversal of 214423920 is 29324412.
214423920 is a `hidden beast` number, since 214 + 423 + 9 + 20 = 666.
It is a tau number, because it is divible by the number of its divisors (60).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214423927) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148186 + ... + 149625.
Almost surely, 2214423920 is an apocalyptic number.
214423920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
214423920 is an abundant number, since it is smaller than the sum of its proper divisors (505685496).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
214423920 is a wasteful number, since it uses less digits than its factorization.
214423920 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 297830 (or 297821 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
The square root of 214423920 is about 14643.2209571528. The cubic root of 214423920 is about 598.5371027850.
The spelling of 214423920 in words is "two hundred fourteen million, four hundred twenty-three thousand, nine hundred twenty".
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