Search a number
-
+
211033130 = 25711274069
BaseRepresentation
bin11001001010000…
…01110000101010
3112201002121000212
430211001300222
5413011030010
632535101122
75141515640
oct1445016052
9481077025
10211033130
11a9139350
125a8117a2
133494b199
1420055190
15137d8505
hexc941c2a

211033130 has 32 divisors (see below), whose sum is σ = 473592960. Its totient is φ = 65776320.

The previous prime is 211033129. The next prime is 211033139. The reversal of 211033130 is 31330112.

211033130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (211033139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136265 + ... + 137804.

It is an arithmetic number, because the mean of its divisors is an integer number (14799780).

Almost surely, 2211033130 is an apocalyptic number.

211033130 is an abundant number, since it is smaller than the sum of its proper divisors (262559830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211033130 is a wasteful number, since it uses less digits than its factorization.

211033130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274094.

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

The square root of 211033130 is about 14526.9793832028. The cubic root of 211033130 is about 595.3653383269.

Adding to 211033130 its reverse (31330112), we get a palindrome (242363242).

The spelling of 211033130 in words is "two hundred eleven million, thirty-three thousand, one hundred thirty".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 385 770 274069 548138 1370345 1918483 2740690 3014759 3836966 6029518 9592415 15073795 19184830 21103313 30147590 42206626 105516565 211033130