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1230266 = 23119843
BaseRepresentation
bin100101100010110111010
32022111121102
410230112322
5303332031
642211402
713312532
oct4542672
92274542
101230266
11770354
124b3b62
13340c8b
142404c2
151947cb
hex12c5ba

1230266 has 8 divisors (see below), whose sum is σ = 1905024. Its totient is φ = 595260.

The previous prime is 1230263. The next prime is 1230301. The reversal of 1230266 is 6620321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×12302664 (a number of 25 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (1230263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9860 + ... + 9983.

It is an arithmetic number, because the mean of its divisors is an integer number (238128).

21230266 is an apocalyptic number.

1230266 is a deficient number, since it is larger than the sum of its proper divisors (674758).

1230266 is a wasteful number, since it uses less digits than its factorization.

1230266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19876.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1230266 is about 1109.1735662195. The cubic root of 1230266 is about 107.1518500811.

Adding to 1230266 its reverse (6620321), we get a palindrome (7850587).

The spelling of 1230266 in words is "one million, two hundred thirty thousand, two hundred sixty-six".

Divisors: 1 2 31 62 19843 39686 615133 1230266