Search a number
-
+
1140146 = 2781439
BaseRepresentation
bin100010110010110110010
32010220222122
410112112302
5242441041
640234242
712456020
oct4262662
92126878
101140146
11709677
1246b982
1330bc57
14219710
15177c4b
hex1165b2

1140146 has 8 divisors (see below), whose sum is σ = 1954560. Its totient is φ = 488628.

The previous prime is 1140143. The next prime is 1140157. The reversal of 1140146 is 6410411.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1140143) 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, 40706 + ... + 40733.

It is an arithmetic number, because the mean of its divisors is an integer number (244320).

21140146 is an apocalyptic number.

1140146 is a deficient number, since it is larger than the sum of its proper divisors (814414).

1140146 is an equidigital number, since it uses as much as digits as its factorization.

1140146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81448.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1140146 is about 1067.7761937785. The cubic root of 1140146 is about 104.4688520829.

Adding to 1140146 its reverse (6410411), we get a palindrome (7550557).

The spelling of 1140146 in words is "one million, one hundred forty thousand, one hundred forty-six".

Divisors: 1 2 7 14 81439 162878 570073 1140146