Base | Representation |
---|---|
bin | 11001100100010… |
… | …01011100000000 |
3 | 112221120022220000 |
4 | 30302021130000 |
5 | 414401104243 |
6 | 33140520000 |
7 | 5212662051 |
oct | 1462113400 |
9 | 487508800 |
10 | 214472448 |
11 | 100078363 |
12 | 5b9b0000 |
13 | 35583798 |
14 | 206ac728 |
15 | 13c675d3 |
hex | cc89700 |
214472448 has 90 divisors (see below), whose sum is σ = 639579864. Its totient is φ = 71483904.
The previous prime is 214472441. The next prime is 214472491. The reversal of 214472448 is 844274412.
214472448 is a `hidden beast` number, since 2 + 144 + 72 + 448 = 666.
It is a super-2 number, since 2×2144724482 = 91996861902225408, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214472441) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 15565 + ... + 25907.
Almost surely, 2214472448 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 214472448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319789932).
214472448 is an abundant number, since it is smaller than the sum of its proper divisors (425107416).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
214472448 is an equidigital number, since it uses as much as digits as its factorization.
214472448 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10371 (or 10348 counting only the distinct ones).
The product of its digits is 57344, while the sum is 36.
The square root of 214472448 is about 14644.8778758991. The cubic root of 214472448 is about 598.5822526259.
The spelling of 214472448 in words is "two hundred fourteen million, four hundred seventy-two thousand, four hundred forty-eight".
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