Search a number
-
+
1030742 = 2515371
BaseRepresentation
bin11111011101001010110
31221100220122
43323221112
5230440432
634031542
711522036
oct3735126
91840818
101030742
11644459
124185b2
132a120b
141cb8c6
15155612
hexfba56

1030742 has 4 divisors (see below), whose sum is σ = 1546116. Its totient is φ = 515370.

The previous prime is 1030741. The next prime is 1030751. The reversal of 1030742 is 2470301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1030742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257684 + ... + 257687.

It is an arithmetic number, because the mean of its divisors is an integer number (386529).

21030742 is an apocalyptic number.

1030742 is a deficient number, since it is larger than the sum of its proper divisors (515374).

1030742 is an equidigital number, since it uses as much as digits as its factorization.

1030742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515373.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 1030742 is about 1015.2546478593. The cubic root of 1030742 is about 101.0144082964.

The spelling of 1030742 in words is "one million, thirty thousand, seven hundred forty-two".

Divisors: 1 2 515371 1030742