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213110530 = 2521311053
BaseRepresentation
bin11001011001111…
…00111100000010
3112212000010200121
430230330330002
5414024014110
633051410454
75165260333
oct1454747402
9485003617
10213110530
11aa328106
125b453a2a
13351c7909
142043628a
1513a98cda
hexcb3cf02

213110530 has 8 divisors (see below), whose sum is σ = 383598972. Its totient is φ = 85244208.

The previous prime is 213110503. The next prime is 213110629. The reversal of 213110530 is 35011312.

213110530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 182871529 + 30239001 = 13523^2 + 5499^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10655517 + ... + 10655536.

Almost surely, 2213110530 is an apocalyptic number.

213110530 is a deficient number, since it is larger than the sum of its proper divisors (170488442).

213110530 is a wasteful number, since it uses less digits than its factorization.

213110530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21311060.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 213110530 is about 14598.3057236105. The cubic root of 213110530 is about 597.3125454335.

Adding to 213110530 its reverse (35011312), we get a palindrome (248121842).

The spelling of 213110530 in words is "two hundred thirteen million, one hundred ten thousand, five hundred thirty".

Divisors: 1 2 5 10 21311053 42622106 106555265 213110530