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214203005 = 582152181
BaseRepresentation
bin11001100010001…
…11101001111101
3112221001122021122
430301013221331
5414313444010
633131040325
75210460362
oct1461075175
9487048248
10214203005
11aaa03985
125b8a00a5
13354bac53
142063c469
1513c12855
hexcc47a7d

214203005 has 8 divisors (see below), whose sum is σ = 257361624. Its totient is φ = 171150400.

The previous prime is 214203001. The next prime is 214203029. The reversal of 214203005 is 500302412.

It can be written as a sum of positive squares in 4 ways, for example, as 195364 + 214007641 = 442^2 + 14629^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 214203005 - 22 = 214203001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214203001) 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, 21986 + ... + 30195.

It is an arithmetic number, because the mean of its divisors is an integer number (32170203).

Almost surely, 2214203005 is an apocalyptic number.

It is an amenable number.

214203005 is a deficient number, since it is larger than the sum of its proper divisors (43158619).

214203005 is an equidigital number, since it uses as much as digits as its factorization.

214203005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53007.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 214203005 is about 14635.6757616449. The cubic root of 214203005 is about 598.3314801107.

Adding to 214203005 its reverse (500302412), we get a palindrome (714505417).

The spelling of 214203005 in words is "two hundred fourteen million, two hundred three thousand, five".

Divisors: 1 5 821 4105 52181 260905 42840601 214203005