Search a number
-
+
1142953 = 7672437
BaseRepresentation
bin100010111000010101001
32011001211121
410113002221
5243033303
640255241
712500140
oct4270251
92131747
101142953
11710799
12471521
13310306
1421a757
151789bd
hex1170a9

1142953 has 8 divisors (see below), whose sum is σ = 1326272. Its totient is φ = 964656.

The previous prime is 1142941. The next prime is 1142959. The reversal of 1142953 is 3592411.

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

It is a de Polignac number, because none of the positive numbers 2k-1142953 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (1142959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 750 + ... + 1687.

It is an arithmetic number, because the mean of its divisors is an integer number (165784).

21142953 is an apocalyptic number.

It is an amenable number.

1142953 is a deficient number, since it is larger than the sum of its proper divisors (183319).

1142953 is an equidigital number, since it uses as much as digits as its factorization.

1142953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511.

The product of its digits is 1080, while the sum is 25.

The square root of 1142953 is about 1069.0897997830. The cubic root of 1142953 is about 104.5545147215.

The spelling of 1142953 in words is "one million, one hundred forty-two thousand, nine hundred fifty-three".

Divisors: 1 7 67 469 2437 17059 163279 1142953