Base | Representation |
---|---|
bin | 11001100011110… |
… | …01010011101100 |
3 | 112221102222021001 |
4 | 30301321103230 |
5 | 414342001010 |
6 | 33135250044 |
7 | 5212265326 |
oct | 1461712354 |
9 | 487388231 |
10 | 214406380 |
11 | 100032761 |
12 | 5b979924 |
13 | 3555c6a6 |
14 | 20692616 |
15 | 13c52c3a |
hex | cc794ec |
214406380 has 24 divisors (see below), whose sum is σ = 476739648. Its totient is φ = 80717568.
The previous prime is 214406377. The next prime is 214406383. The reversal of 214406380 is 83604412.
It is an interprime number because it is at equal distance from previous prime (214406377) and next prime (214406383).
It is not an unprimeable number, because it can be changed into a prime (214406383) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314964 + ... + 315643.
It is an arithmetic number, because the mean of its divisors is an integer number (19864152).
Almost surely, 2214406380 is an apocalyptic number.
214406380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
214406380 is an abundant number, since it is smaller than the sum of its proper divisors (262333268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
214406380 is a wasteful number, since it uses less digits than its factorization.
214406380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 630633 (or 630631 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 28.
The square root of 214406380 is about 14642.6220329557. The cubic root of 214406380 is about 598.5207821136.
The spelling of 214406380 in words is "two hundred fourteen million, four hundred six thousand, three hundred eighty".
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