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230675547 = 3731576709
BaseRepresentation
bin11011011111111…
…01010001011011
3121002001112100210
431233331101123
5433023104142
634520102203
75500465314
oct1557752133
9532045323
10230675547
11109234a53
1265304963
1338a3790b
14228c960b
15153b849c
hexdbfd45b

230675547 has 16 divisors (see below), whose sum is σ = 313813280. Its totient is φ = 150688512.

The previous prime is 230675507. The next prime is 230675563. The reversal of 230675547 is 745576032.

It is not a de Polignac number, because 230675547 - 224 = 213898331 is a prime.

It is a super-2 number, since 2×2306755472 = 106422415967498418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230675507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31029 + ... + 37737.

It is an arithmetic number, because the mean of its divisors is an integer number (19613330).

Almost surely, 2230675547 is an apocalyptic number.

230675547 is a deficient number, since it is larger than the sum of its proper divisors (83137733).

230675547 is a wasteful number, since it uses less digits than its factorization.

230675547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6942.

The product of its (nonzero) digits is 176400, while the sum is 39.

The square root of 230675547 is about 15188.0066829061. The cubic root of 230675547 is about 613.2918400634.

The spelling of 230675547 in words is "two hundred thirty million, six hundred seventy-five thousand, five hundred forty-seven".

Divisors: 1 3 73 157 219 471 6709 11461 20127 34383 489757 1053313 1469271 3159939 76891849 230675547