Search a number
-
+
1144828774 = 21935298537
BaseRepresentation
bin100010000111100…
…1011001101100110
32221210012022211201
41010033023031212
54321034010044
6305333353114
740240612135
oct10417131546
92853168751
101144828774
11538253891
1227b49879a
1315324839b
14ac08b91c
156a78d7d4
hex443cb366

1144828774 has 16 divisors (see below), whose sum is σ = 1808348400. Its totient is φ = 542070144.

The previous prime is 1144828733. The next prime is 1144828777. The reversal of 1144828774 is 4778284411.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144828777) 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, 129834 + ... + 138370.

It is an arithmetic number, because the mean of its divisors is an integer number (113021775).

Almost surely, 21144828774 is an apocalyptic number.

1144828774 is a deficient number, since it is larger than the sum of its proper divisors (663519626).

1144828774 is a wasteful number, since it uses less digits than its factorization.

1144828774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12087.

The product of its digits is 401408, while the sum is 46.

The square root of 1144828774 is about 33835.3184409427. The cubic root of 1144828774 is about 1046.1168051606.

It can be divided in two parts, 114482 and 8774, that added together give a triangular number (123256 = T496).

The spelling of 1144828774 in words is "one billion, one hundred forty-four million, eight hundred twenty-eight thousand, seven hundred seventy-four".

Divisors: 1 2 19 38 3529 7058 8537 17074 67051 134102 162203 324406 30127073 60254146 572414387 1144828774