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1230133 = 2395147
BaseRepresentation
bin100101100010100110101
32022111102111
410230110311
5303331013
642211021
713312252
oct4542465
92274374
101230133
11770243
124b3a71
13340bb8
14240429
1519473d
hex12c535

1230133 has 4 divisors (see below), whose sum is σ = 1235520. Its totient is φ = 1224748.

The previous prime is 1230127. The next prime is 1230167. The reversal of 1230133 is 3310321.

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-1230133 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 (1230233) 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, 2335 + ... + 2812.

It is an arithmetic number, because the mean of its divisors is an integer number (308880).

21230133 is an apocalyptic number.

It is an amenable number.

1230133 is a deficient number, since it is larger than the sum of its proper divisors (5387).

1230133 is an equidigital number, since it uses as much as digits as its factorization.

1230133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5386.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 1230133 is about 1109.1136100508. The cubic root of 1230133 is about 107.1479886643.

Adding to 1230133 its reverse (3310321), we get a palindrome (4540454).

The spelling of 1230133 in words is "one million, two hundred thirty thousand, one hundred thirty-three".

Divisors: 1 239 5147 1230133