Search a number
-
+
1444004154 = 232743107971
BaseRepresentation
bin101011000010001…
…1100000100111010
310201122011000022100
41112010130010322
510424131113104
6355142004230
750532555435
oct12604340472
93648130270
101444004154
1168111476a
12343716676
131a0217a38
14d9ac881c
1586b88139
hex5611c13a

1444004154 has 24 divisors (see below), whose sum is σ = 3132915552. Its totient is φ = 480682440.

The previous prime is 1444004117. The next prime is 1444004183. The reversal of 1444004154 is 4514004441.

It is a Curzon number.

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 11 ways as a sum of consecutive naturals, for example, 40612 + ... + 67359.

It is an arithmetic number, because the mean of its divisors is an integer number (130538148).

Almost surely, 21444004154 is an apocalyptic number.

1444004154 is an abundant number, since it is smaller than the sum of its proper divisors (1688911398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1444004154 is a wasteful number, since it uses less digits than its factorization.

1444004154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108722 (or 108719 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 1444004154 is about 38000.0546578554. The cubic root of 1444004154 is about 1130.2889474359.

Adding to 1444004154 its reverse (4514004441), we get a palindrome (5958008595).

The spelling of 1444004154 in words is "one billion, four hundred forty-four million, four thousand, one hundred fifty-four".

Divisors: 1 2 3 6 9 18 743 1486 2229 4458 6687 13374 107971 215942 323913 647826 971739 1943478 80222453 160444906 240667359 481334718 722002077 1444004154