Search a number
-
+
1444056801 = 31159741683
BaseRepresentation
bin101011000010010…
…1000111011100001
310201122020200112020
41112010220323201
510424134304201
6355143052053
750533165065
oct12604507341
93648220466
101444056801
11681150280
12343741029
131a02359a5
14d9addaa5
1586b98a36
hex56128ee1

1444056801 has 16 divisors (see below), whose sum is σ = 2136049920. Its totient is φ = 860351120.

The previous prime is 1444056797. The next prime is 1444056839. The reversal of 1444056801 is 1086504441.

It is a cyclic number.

It is not a de Polignac number, because 1444056801 - 22 = 1444056797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1444056851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 368895 + ... + 372788.

It is an arithmetic number, because the mean of its divisors is an integer number (133503120).

Almost surely, 21444056801 is an apocalyptic number.

1444056801 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1444056801 is a deficient number, since it is larger than the sum of its proper divisors (691993119).

1444056801 is a wasteful number, since it uses less digits than its factorization.

1444056801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741756.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 1444056801 is about 38000.7473742294. The cubic root of 1444056801 is about 1130.3026836842.

The spelling of 1444056801 in words is "one billion, four hundred forty-four million, fifty-six thousand, eight hundred one".

Divisors: 1 3 11 33 59 177 649 1947 741683 2225049 8158513 24475539 43759297 131277891 481352267 1444056801