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230453533 = 1911206563
BaseRepresentation
bin11011011110001…
…11000100011101
3121001122020211001
431233013010131
5432444003113
634511230301
75465552122
oct1557070435
9531566731
10230453533
111090a3172
1265218391
133898a84b
142286c749
15153727dd
hexdbc711d

230453533 has 4 divisors (see below), whose sum is σ = 231660288. Its totient is φ = 229246780.

The previous prime is 230453519. The next prime is 230453563. The reversal of 230453533 is 335354032.

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-230453533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230453563) 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, 603091 + ... + 603472.

It is an arithmetic number, because the mean of its divisors is an integer number (57915072).

Almost surely, 2230453533 is an apocalyptic number.

It is an amenable number.

230453533 is a deficient number, since it is larger than the sum of its proper divisors (1206755).

230453533 is a wasteful number, since it uses less digits than its factorization.

230453533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206754.

The product of its (nonzero) digits is 16200, while the sum is 28.

The square root of 230453533 is about 15180.6960644102. The cubic root of 230453533 is about 613.0950223802.

The spelling of 230453533 in words is "two hundred thirty million, four hundred fifty-three thousand, five hundred thirty-three".

Divisors: 1 191 1206563 230453533