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1444625055 = 325231395773
BaseRepresentation
bin101011000011011…
…0011101010011111
310201200022120000200
41112012303222133
510424311000210
6355203154543
750541052566
oct12606635237
93650276020
101444625055
116814a9205
12343975a53
131a03a4533
14d9c0abdd
1586c5c0c0
hex561b3a9f

1444625055 has 24 divisors (see below), whose sum is σ = 2612888928. Its totient is φ = 736967616.

The previous prime is 1444625023. The next prime is 1444625057. The reversal of 1444625055 is 5505264441.

1444625055 is a `hidden beast` number, since 144 + 4 + 6 + 2 + 505 + 5 = 666.

It is not a de Polignac number, because 1444625055 - 25 = 1444625023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444625057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 696852 + ... + 698921.

It is an arithmetic number, because the mean of its divisors is an integer number (108870372).

Almost surely, 21444625055 is an apocalyptic number.

1444625055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1444625055 is a deficient number, since it is larger than the sum of its proper divisors (1168263873).

1444625055 is a wasteful number, since it uses less digits than its factorization.

1444625055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395807 (or 1395804 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The square root of 1444625055 is about 38008.2235180757. The cubic root of 1444625055 is about 1130.4509268809.

Adding to 1444625055 its reverse (5505264441), we get a palindrome (6949889496).

The spelling of 1444625055 in words is "one billion, four hundred forty-four million, six hundred twenty-five thousand, fifty-five".

Divisors: 1 3 5 9 15 23 45 69 115 207 345 1035 1395773 4187319 6978865 12561957 20936595 32102779 62809785 96308337 160513895 288925011 481541685 1444625055