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201030530 = 25891072111
BaseRepresentation
bin10111111101101…
…11101110000010
3112000021102001012
423332313232002
5402430434110
631540440522
74660505561
oct1376675602
9460242035
10201030530
11a3527238
12573a9142
133285839c
141c9adbd8
15129ae905
hexbfb7b82

201030530 has 32 divisors (see below), whose sum is σ = 369515520. Its totient is φ = 78728320.

The previous prime is 201030521. The next prime is 201030551. The reversal of 201030530 is 35030102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94175 + ... + 96285.

It is an arithmetic number, because the mean of its divisors is an integer number (11547360).

Almost surely, 2201030530 is an apocalyptic number.

201030530 is a deficient number, since it is larger than the sum of its proper divisors (168484990).

201030530 is a wasteful number, since it uses less digits than its factorization.

201030530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 201030530 is about 14178.5235479580. The cubic root of 201030530 is about 585.8062567397.

Adding to 201030530 its reverse (35030102), we get a palindrome (236060632).

The spelling of 201030530 in words is "two hundred one million, thirty thousand, five hundred thirty".

Divisors: 1 2 5 10 89 107 178 214 445 535 890 1070 2111 4222 9523 10555 19046 21110 47615 95230 187879 225877 375758 451754 939395 1129385 1878790 2258770 20103053 40206106 100515265 201030530