Base | Representation |
---|---|
bin | 11001100101110… |
… | …11000010101111 |
3 | 112221221122121022 |
4 | 30302323002233 |
5 | 414424110011 |
6 | 33145124355 |
7 | 5214466322 |
oct | 1462730257 |
9 | 487848538 |
10 | 214675631 |
11 | 1001a6a85 |
12 | 5ba896bb |
13 | 35625101 |
14 | 207227b9 |
15 | 13ca78db |
hex | ccbb0af |
214675631 has 12 divisors (see below), whose sum is σ = 222322464. Its totient is φ = 207165600.
The previous prime is 214675607. The next prime is 214675663. The reversal of 214675631 is 136576412.
It is not a de Polignac number, because 214675631 - 26 = 214675567 is a prime.
It is a super-2 number, since 2×2146756312 = 92171253090496322, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 214675591 and 214675600.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214675691) 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, 792026 + ... + 792296.
It is an arithmetic number, because the mean of its divisors is an integer number (18526872).
Almost surely, 2214675631 is an apocalyptic number.
214675631 is a deficient number, since it is larger than the sum of its proper divisors (7646833).
214675631 is an equidigital number, since it uses as much as digits as its factorization.
214675631 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 590 (or 451 counting only the distinct ones).
The product of its digits is 30240, while the sum is 35.
The square root of 214675631 is about 14651.8132324979. The cubic root of 214675631 is about 598.7712176151.
It can be divided in two parts, 2146 and 75631, that added together give a palindrome (77777).
The spelling of 214675631 in words is "two hundred fourteen million, six hundred seventy-five thousand, six hundred thirty-one".
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