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214385485 = 542877097
BaseRepresentation
bin11001100011101…
…00001101001101
3112221101220121011
430301310031031
5414340313420
633135005221
75212150366
oct1461641515
9487356534
10214385485
11100018a96
125b969811
1335553022
1420688b6d
1513c4b95a
hexcc7434d

214385485 has 4 divisors (see below), whose sum is σ = 257262588. Its totient is φ = 171508384.

The previous prime is 214385473. The next prime is 214385489. The reversal of 214385485 is 584583412.

214385485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 163277284 + 51108201 = 12778^2 + 7149^2 .

It is a cyclic number.

It is not a de Polignac number, because 214385485 - 27 = 214385357 is a prime.

It is a super-2 number, since 2×2143854852 = 91922272357370450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214385489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21438544 + ... + 21438553.

It is an arithmetic number, because the mean of its divisors is an integer number (64315647).

Almost surely, 2214385485 is an apocalyptic number.

It is an amenable number.

214385485 is a deficient number, since it is larger than the sum of its proper divisors (42877103).

214385485 is an equidigital number, since it uses as much as digits as its factorization.

214385485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42877102.

The product of its digits is 153600, while the sum is 40.

The square root of 214385485 is about 14641.9085163103. The cubic root of 214385485 is about 598.5013385099.

The spelling of 214385485 in words is "two hundred fourteen million, three hundred eighty-five thousand, four hundred eighty-five".

Divisors: 1 5 42877097 214385485