Search a number
-
+
1230158 = 2896911
BaseRepresentation
bin100101100010101001110
32022111110102
410230111032
5303331113
642211102
713312316
oct4542516
92274412
101230158
11770266
124b3a92
13340c07
14240446
15194758
hex12c54e

1230158 has 8 divisors (see below), whose sum is σ = 1866240. Its totient is φ = 608080.

The previous prime is 1230127. The next prime is 1230167. The reversal of 1230158 is 8510321.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3278 + ... + 3633.

It is an arithmetic number, because the mean of its divisors is an integer number (233280).

21230158 is an apocalyptic number.

1230158 is a deficient number, since it is larger than the sum of its proper divisors (636082).

1230158 is an equidigital number, since it uses as much as digits as its factorization.

1230158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7002.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1230158 is about 1109.1248802547. The cubic root of 1230158 is about 107.1487145158.

Adding to 1230158 its reverse (8510321), we get a palindrome (9740479).

The spelling of 1230158 in words is "one million, two hundred thirty thousand, one hundred fifty-eight".

Divisors: 1 2 89 178 6911 13822 615079 1230158