Search a number
-
+
1274480641 = 733715687
BaseRepresentation
bin100101111110111…
…0000100000000001
310021211011022202201
41023331300200001
510102231340031
6330244313201
743403623000
oct11375604001
93254138681
101274480641
115a4458195
122b69a2801
13174071575
14c139ac37
1576d4dd61
hex4bf70801

1274480641 has 8 divisors (see below), whose sum is σ = 1486275200. Its totient is φ = 1092411684.

The previous prime is 1274480629. The next prime is 1274480659. The reversal of 1274480641 is 1460844721.

It is a happy number.

It is not a de Polignac number, because 1274480641 - 25 = 1274480609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1274480641.

It is not an unprimeable number, because it can be changed into a prime (1274480611) 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 in 7 ways as a sum of consecutive naturals, for example, 1857501 + ... + 1858186.

It is an arithmetic number, because the mean of its divisors is an integer number (185784400).

Almost surely, 21274480641 is an apocalyptic number.

It is an amenable number.

1274480641 is a deficient number, since it is larger than the sum of its proper divisors (211794559).

1274480641 is an frugal number, since it uses more digits than its factorization.

1274480641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3715708 (or 3715694 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 1274480641 is about 35699.8689213280. The cubic root of 1274480641 is about 1084.2041892486.

The spelling of 1274480641 in words is "one billion, two hundred seventy-four million, four hundred eighty thousand, six hundred forty-one".

Divisors: 1 7 49 343 3715687 26009809 182068663 1274480641