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1665006484 = 227313741621
BaseRepresentation
bin110001100111101…
…1111101110010100
311022001000002111211
41203033133232110
511402220201414
6433114511204
756155215211
oct14317375624
94261002454
101665006484
11784942019
123a5735504
13206c4674b
1411b1b6b08
159b2903c4
hex633dfb94

1665006484 has 24 divisors (see below), whose sum is σ = 2975307048. Its totient is φ = 815086080.

The previous prime is 1665006439. The next prime is 1665006517. The reversal of 1665006484 is 4846005661.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 286963600 + 1378042884 = 16940^2 + 37122^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19194 + ... + 60814.

It is an arithmetic number, because the mean of its divisors is an integer number (123971127).

Almost surely, 21665006484 is an apocalyptic number.

It is an amenable number.

1665006484 is a deficient number, since it is larger than the sum of its proper divisors (1310300564).

1665006484 is a wasteful number, since it uses less digits than its factorization.

1665006484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41835 (or 41833 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 1665006484 is about 40804.4909783225. The cubic root of 1665006484 is about 1185.2372978698.

The spelling of 1665006484 in words is "one billion, six hundred sixty-five million, six thousand, four hundred eighty-four".

Divisors: 1 2 4 73 137 146 274 292 548 10001 20002 40004 41621 83242 166484 3038333 5702077 6076666 11404154 12153332 22808308 416251621 832503242 1665006484