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230536061 = 7235327017
BaseRepresentation
bin11011011110110…
…11001101111101
3121001210110000122
431233123031331
5433004123221
634513104325
75466344540
oct1557331575
9531713018
10230536061
1110914a178
12652580a5
13389b9292
1422890857
151538beab
hexdbdb37d

230536061 has 16 divisors (see below), whose sum is σ = 280122624. Its totient is φ = 185437824.

The previous prime is 230536049. The next prime is 230536067. The reversal of 230536061 is 160635032.

It is a cyclic number.

It is not a de Polignac number, because 230536061 - 226 = 163427197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 230536061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230536067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4976 + ... + 22041.

It is an arithmetic number, because the mean of its divisors is an integer number (17507664).

Almost surely, 2230536061 is an apocalyptic number.

It is an amenable number.

230536061 is a deficient number, since it is larger than the sum of its proper divisors (49586563).

230536061 is a wasteful number, since it uses less digits than its factorization.

230536061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27100.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 230536061 is about 15183.4140100308. The cubic root of 230536061 is about 613.1681990516.

The spelling of 230536061 in words is "two hundred thirty million, five hundred thirty-six thousand, sixty-one".

Divisors: 1 7 23 53 161 371 1219 8533 27017 189119 621391 1431901 4349737 10023307 32933723 230536061