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230535553 = 1201191953
BaseRepresentation
bin11011011110110…
…11000110000001
3121001210102022211
431233123012001
5433004114203
634513102121
75466343213
oct1557330601
9531712284
10230535553
11109149856
1265257941
13389b8c91
14228905b3
151538bc6d
hexdbdb181

230535553 has 4 divisors (see below), whose sum is σ = 230728708. Its totient is φ = 230342400.

The previous prime is 230535511. The next prime is 230535577. The reversal of 230535553 is 355535032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 81866304 + 148669249 = 9048^2 + 12193^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230535553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230532553) 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, 94776 + ... + 97177.

It is an arithmetic number, because the mean of its divisors is an integer number (57682177).

Almost surely, 2230535553 is an apocalyptic number.

It is an amenable number.

230535553 is a deficient number, since it is larger than the sum of its proper divisors (193155).

230535553 is a wasteful number, since it uses less digits than its factorization.

230535553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193154.

The product of its (nonzero) digits is 33750, while the sum is 31.

The square root of 230535553 is about 15183.3972812411. The cubic root of 230535553 is about 613.1677486670.

The spelling of 230535553 in words is "two hundred thirty million, five hundred thirty-five thousand, five hundred fifty-three".

Divisors: 1 1201 191953 230535553