Search a number
-
+
1044631144 = 23130578893
BaseRepresentation
bin111110010000111…
…100111001101000
32200210122202112101
4332100330321220
54114411144034
6251354023144
734613134564
oct7620747150
92623582471
101044631144
11496737927
12251a17ab4
1313856594b
149ca486a4
1561a9a514
hex3e43ce68

1044631144 has 8 divisors (see below), whose sum is σ = 1958683410. Its totient is φ = 522315568.

The previous prime is 1044631097. The next prime is 1044631157. The reversal of 1044631144 is 4411364401.

It can be written as a sum of positive squares in only one way, i.e., 770728644 + 273902500 = 27762^2 + 16550^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65289439 + ... + 65289454.

Almost surely, 21044631144 is an apocalyptic number.

It is an amenable number.

1044631144 is a deficient number, since it is larger than the sum of its proper divisors (914052266).

1044631144 is a wasteful number, since it uses less digits than its factorization.

1044631144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130578899 (or 130578895 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 1044631144 is about 32320.7540753615. The cubic root of 1044631144 is about 1014.6610511329.

Adding to 1044631144 its reverse (4411364401), we get a palindrome (5455995545).

The spelling of 1044631144 in words is "one billion, forty-four million, six hundred thirty-one thousand, one hundred forty-four".

Divisors: 1 2 4 8 130578893 261157786 522315572 1044631144