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1444310325 = 33523496131
BaseRepresentation
bin101011000010110…
…0110110100110101
310201122201120022000
41112011212310311
510424220412300
6355152325513
750535302163
oct12605466465
93648646260
101444310325
116813037a7
12343843899
131a02c41c3
14d9b68233
1586be8c00
hex56166d35

1444310325 has 48 divisors (see below), whose sum is σ = 2661288000. Its totient is φ = 767966400.

The previous prime is 1444310299. The next prime is 1444310333. The reversal of 1444310325 is 5230134441.

It is a happy number.

It is not a de Polignac number, because 1444310325 - 28 = 1444310069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 232510 + ... + 238640.

It is an arithmetic number, because the mean of its divisors is an integer number (55443500).

Almost surely, 21444310325 is an apocalyptic number.

1444310325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1444310325 is a deficient number, since it is larger than the sum of its proper divisors (1216977675).

1444310325 is a wasteful number, since it uses less digits than its factorization.

1444310325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6499 (or 6488 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1444310325 is about 38004.0830043299. The cubic root of 1444310325 is about 1130.3688265325.

Adding to 1444310325 its reverse (5230134441), we get a palindrome (6674444766).

The spelling of 1444310325 in words is "one billion, four hundred forty-four million, three hundred ten thousand, three hundred twenty-five".

Divisors: 1 3 5 9 15 25 27 45 75 135 225 349 675 1047 1745 3141 5235 6131 8725 9423 15705 18393 26175 30655 47115 55179 78525 91965 153275 165537 235575 275895 459825 827685 1379475 2139719 4138425 6419157 10698595 19257471 32095785 53492975 57772413 96287355 160478925 288862065 481436775 1444310325