Search a number
-
+
1142810875 = 5347194521
BaseRepresentation
bin100010000011101…
…1110100011111011
32221122101210210201
41010013132203323
54320024422000
6305222223031
740214506063
oct10407364373
92848353721
101142810875
115370a57a8
1227a884a77
131529bca6b
14abac43a3
156a4e096a
hex441de8fb

1142810875 has 16 divisors (see below), whose sum is σ = 1456580736. Its totient is φ = 894792000.

The previous prime is 1142810869. The next prime is 1142810881. The reversal of 1142810875 is 5780182411.

It is an interprime number because it is at equal distance from previous prime (1142810869) and next prime (1142810881).

It is not a de Polignac number, because 1142810875 - 221 = 1140713723 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91386 + ... + 103135.

It is an arithmetic number, because the mean of its divisors is an integer number (91036296).

Almost surely, 21142810875 is an apocalyptic number.

1142810875 is a deficient number, since it is larger than the sum of its proper divisors (313769861).

1142810875 is an equidigital number, since it uses as much as digits as its factorization.

1142810875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194583 (or 194573 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 37.

The square root of 1142810875 is about 33805.4858713789. The cubic root of 1142810875 is about 1045.5018079395.

The spelling of 1142810875 in words is "one billion, one hundred forty-two million, eight hundred ten thousand, eight hundred seventy-five".

Divisors: 1 5 25 47 125 235 1175 5875 194521 972605 4863025 9142487 24315125 45712435 228562175 1142810875