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213103301 = 5310493833
BaseRepresentation
bin11001011001110…
…11001011000101
3112211222202202212
430230323023011
5414023301201
633051313205
75165230265
oct1454731305
9484882685
10213103301
11aa322734
125b44b805
13351c4538
14204337a5
1513a96abb
hexcb3b2c5

213103301 has 8 divisors (see below), whose sum is σ = 217387800. Its totient is φ = 208828672.

The previous prime is 213103271. The next prime is 213103307. The reversal of 213103301 is 103301312.

It can be written as a sum of positive squares in 4 ways, for example, as 66814276 + 146289025 = 8174^2 + 12095^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 213103301 - 26 = 213103237 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 (213103307) 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, 53681 + ... + 57513.

It is an arithmetic number, because the mean of its divisors is an integer number (27173475).

Almost surely, 2213103301 is an apocalyptic number.

It is an amenable number.

213103301 is a deficient number, since it is larger than the sum of its proper divisors (4284499).

213103301 is a wasteful number, since it uses less digits than its factorization.

213103301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4935.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 213103301 is about 14598.0581242849. The cubic root of 213103301 is about 597.3057914716.

Adding to 213103301 its reverse (103301312), we get a palindrome (316404613).

The spelling of 213103301 in words is "two hundred thirteen million, one hundred three thousand, three hundred one".

Divisors: 1 53 1049 3833 55597 203149 4020817 213103301