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1444914916 = 221240129129
BaseRepresentation
bin101011000011111…
…1010011011100100
310201200212021122021
41112013322123210
510424344234131
6355213312524
750543400634
oct12607723344
93650767567
101444914916
11681686a65
12343a95744
131a0476453
14d9c846c4
1586cb7e11
hex561fa6e4

1444914916 has 12 divisors (see below), whose sum is σ = 2528891820. Its totient is φ = 722374400.

The previous prime is 1444914827. The next prime is 1444914917. The reversal of 1444914916 is 6194194441.

It can be written as a sum of positive squares in 2 ways, for example, as 452412900 + 992502016 = 21270^2 + 31504^2 .

It is a super-2 number, since 2×14449149162 = 4175558228958574112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1444914917) 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 3 ways as a sum of consecutive naturals, for example, 35040 + ... + 64168.

It is an arithmetic number, because the mean of its divisors is an integer number (210740985).

Almost surely, 21444914916 is an apocalyptic number.

It is an amenable number.

1444914916 is a deficient number, since it is larger than the sum of its proper divisors (1083976904).

1444914916 is a wasteful number, since it uses less digits than its factorization.

1444914916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41534 (or 41532 counting only the distinct ones).

The product of its digits is 124416, while the sum is 43.

The square root of 1444914916 is about 38012.0364621524. The cubic root of 1444914916 is about 1130.5265293637.

The spelling of 1444914916 in words is "one billion, four hundred forty-four million, nine hundred fourteen thousand, nine hundred sixteen".

Divisors: 1 2 4 12401 24802 29129 49604 58258 116516 361228729 722457458 1444914916