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210300133 = 792662027
BaseRepresentation
bin11001000100011…
…10110011100101
3112122201100112211
430202032303211
5412314101013
632511243421
75132343631
oct1442166345
9478640484
10210300133
11a878866a
125a519571
1334752664
141dd03dc1
15136e123d
hexc88ece5

210300133 has 4 divisors (see below), whose sum is σ = 212962240. Its totient is φ = 207638028.

The previous prime is 210300127. The next prime is 210300169. The reversal of 210300133 is 331003012.

210300133 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-210300133 is a prime.

It is a super-2 number, since 2×2103001332 = 88452291879635378, 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 (210300533) 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, 1330935 + ... + 1331092.

It is an arithmetic number, because the mean of its divisors is an integer number (53240560).

Almost surely, 2210300133 is an apocalyptic number.

210300133 is the 7752-nd centered heptagonal number.

It is an amenable number.

210300133 is a deficient number, since it is larger than the sum of its proper divisors (2662107).

210300133 is an equidigital number, since it uses as much as digits as its factorization.

210300133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2662106.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 210300133 is about 14501.7286210989. The cubic root of 210300133 is about 594.6752298663.

Adding to 210300133 its reverse (331003012), we get a palindrome (541303145).

The spelling of 210300133 in words is "two hundred ten million, three hundred thousand, one hundred thirty-three".

Divisors: 1 79 2662027 210300133