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232242145 = 546448429
BaseRepresentation
bin11011101011110…
…11101111100001
3121012000010022221
431311323233201
5433423222040
635013431041
75520011542
oct1565735741
9535003287
10232242145
1110a104a63
126593b481
13391659b5
1422bb64c9
15155c774a
hexdd7bbe1

232242145 has 4 divisors (see below), whose sum is σ = 278690580. Its totient is φ = 185793712.

The previous prime is 232242139. The next prime is 232242169. The reversal of 232242145 is 541242232.

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 93779856 + 138462289 = 9684^2 + 11767^2 .

It is a cyclic number.

It is not a de Polignac number, because 232242145 - 217 = 232111073 is a prime.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 23224210 + ... + 23224219.

It is an arithmetic number, because the mean of its divisors is an integer number (69672645).

Almost surely, 2232242145 is an apocalyptic number.

It is an amenable number.

232242145 is a deficient number, since it is larger than the sum of its proper divisors (46448435).

232242145 is an equidigital number, since it uses as much as digits as its factorization.

232242145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46448434.

The product of its digits is 3840, while the sum is 25.

The square root of 232242145 is about 15239.4929377588. The cubic root of 232242145 is about 614.6770684365.

Adding to 232242145 its reverse (541242232), we get a palindrome (773484377).

The spelling of 232242145 in words is "two hundred thirty-two million, two hundred forty-two thousand, one hundred forty-five".

Divisors: 1 5 46448429 232242145