Search a number
-
+
1441445148 = 22321113280001
BaseRepresentation
bin101010111101010…
…1011010100011100
310201110100000000100
41111322223110130
510423002221043
6355011101100
750502036663
oct12572532434
93643300010
101441445148
1167a727090
123428a1790
1319c830030
14d961ddda
158682ecd3
hex55eab51c

1441445148 has 72 divisors (see below), whose sum is σ = 4280670576. Its totient is φ = 403200000.

The previous prime is 1441445143. The next prime is 1441445171. The reversal of 1441445148 is 8415441441.

It is a super-2 number, since 2×14414451482 = 4155528229385483808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1441445141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134853 + ... + 145148.

It is an arithmetic number, because the mean of its divisors is an integer number (59453758).

Almost surely, 21441445148 is an apocalyptic number.

1441445148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1441445148 is an abundant number, since it is smaller than the sum of its proper divisors (2839225428).

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

1441445148 is a wasteful number, since it uses less digits than its factorization.

1441445148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280035 (or 280030 counting only the distinct ones).

The product of its digits is 40960, while the sum is 36.

The square root of 1441445148 is about 37966.3686438406. The cubic root of 1441445148 is about 1129.6208684505.

Adding to 1441445148 its reverse (8415441441), we get a palindrome (9856886589).

The spelling of 1441445148 in words is "one billion, four hundred forty-one million, four hundred forty-five thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 9 11 12 13 18 22 26 33 36 39 44 52 66 78 99 117 132 143 156 198 234 286 396 429 468 572 858 1287 1716 2574 5148 280001 560002 840003 1120004 1680006 2520009 3080011 3360012 3640013 5040018 6160022 7280026 9240033 10080036 10920039 12320044 14560052 18480066 21840078 27720099 32760117 36960132 40040143 43680156 55440198 65520234 80080286 110880396 120120429 131040468 160160572 240240858 360361287 480481716 720722574 1441445148