Search a number
-
+
1230042 = 231118637
BaseRepresentation
bin100101100010011011010
32022111022010
410230103122
5303330132
642210350
713312062
oct4542332
92274263
101230042
11770170
124b39b6
13340b48
142403a2
151946cc
hex12c4da

1230042 has 16 divisors (see below), whose sum is σ = 2683872. Its totient is φ = 372720.

The previous prime is 1230029. The next prime is 1230067. The reversal of 1230042 is 2400321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9253 + ... + 9384.

It is an arithmetic number, because the mean of its divisors is an integer number (167742).

21230042 is an apocalyptic number.

1230042 is an abundant number, since it is smaller than the sum of its proper divisors (1453830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1230042 is a wasteful number, since it uses less digits than its factorization.

1230042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18653.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1230042 is about 1109.0725855416. The cubic root of 1230042 is about 107.1453464818.

Adding to 1230042 its reverse (2400321), we get a palindrome (3630363).

The spelling of 1230042 in words is "one million, two hundred thirty thousand, forty-two".

Divisors: 1 2 3 6 11 22 33 66 18637 37274 55911 111822 205007 410014 615021 1230042