Search a number
-
+
1254423056 = 24272928729
BaseRepresentation
bin100101011000100…
…1111101000010000
310020102102021221012
41022301033220100
510032113014211
6324250350052
743041264035
oct11261175020
93212367835
101254423056
115940a8677
122b012b328
1316cb6ab83
14bc85938c
15751dad8b
hex4ac4fa10

1254423056 has 20 divisors (see below), whose sum is σ = 2431419900. Its totient is φ = 626959872.

The previous prime is 1254423019. The next prime is 1254423169. The reversal of 1254423056 is 6503244521.

It can be written as a sum of positive squares in 2 ways, for example, as 906973456 + 347449600 = 30116^2 + 18640^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 29300 + ... + 58028.

It is an arithmetic number, because the mean of its divisors is an integer number (121570995).

Almost surely, 21254423056 is an apocalyptic number.

1254423056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1254423056 is a deficient number, since it is larger than the sum of its proper divisors (1176996844).

1254423056 is a wasteful number, since it uses less digits than its factorization.

1254423056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31466 (or 31460 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 1254423056 is about 35417.8352811123. The cubic root of 1254423056 is about 1078.4864073928.

Adding to 1254423056 its reverse (6503244521), we get a palindrome (7757667577).

The spelling of 1254423056 in words is "one billion, two hundred fifty-four million, four hundred twenty-three thousand, fifty-six".

Divisors: 1 2 4 8 16 2729 5458 10916 21832 28729 43664 57458 114916 229832 459664 78401441 156802882 313605764 627211528 1254423056