Base | Representation |
---|---|
bin | 11001100111100… |
… | …10000100000000 |
3 | 112222101002202000 |
4 | 30303302010000 |
5 | 420003312432 |
6 | 33154024000 |
7 | 5216425335 |
oct | 1463620400 |
9 | 488332660 |
10 | 214900992 |
11 | 100340329 |
12 | 5bb78000 |
13 | 356a3867 |
14 | 2078098c |
15 | 13cee57c |
hex | ccf2100 |
214900992 has 72 divisors (see below), whose sum is σ = 635520480. Its totient is φ = 71631360.
The previous prime is 214900981. The next prime is 214900999. The reversal of 214900992 is 299009412.
It is a tau number, because it is divible by the number of its divisors (72).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (214900999) 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, 8634 + ... + 22457.
Almost surely, 2214900992 is an apocalyptic number.
It is an amenable number.
214900992 is an abundant number, since it is smaller than the sum of its proper divisors (420619488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
214900992 is an equidigital number, since it uses as much as digits as its factorization.
214900992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31116 (or 31096 counting only the distinct ones).
The product of its (nonzero) digits is 11664, while the sum is 36.
The square root of 214900992 is about 14659.5017650669. The cubic root of 214900992 is about 598.9806692554.
The spelling of 214900992 in words is "two hundred fourteen million, nine hundred thousand, nine hundred ninety-two".
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