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1005041072 = 2478973581
BaseRepresentation
bin111011111001111…
…011010110110000
32121001011101011102
4323321323112300
54024242303242
6243421303532
733622464620
oct7371732660
92531141142
101005041072
11476357262
12240704ba8
131302b3879
14976a0880
155d379e32
hex3be7b5b0

1005041072 has 20 divisors (see below), whose sum is σ = 2225448336. Its totient is φ = 430731840.

The previous prime is 1005041069. The next prime is 1005041099. The reversal of 1005041072 is 2701405001.

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 3 ways as a sum of consecutive naturals, for example, 4486679 + ... + 4486902.

Almost surely, 21005041072 is an apocalyptic number.

It is an amenable number.

1005041072 is an abundant number, since it is smaller than the sum of its proper divisors (1220407264).

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

1005041072 is an equidigital number, since it uses as much as digits as its factorization.

1005041072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8973596 (or 8973590 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 1005041072 is about 31702.3827495663. The cubic root of 1005041072 is about 1001.6775416139.

Adding to 1005041072 its reverse (2701405001), we get a palindrome (3706446073).

The spelling of 1005041072 in words is "one billion, five million, forty-one thousand, seventy-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 8973581 17947162 35894324 62815067 71788648 125630134 143577296 251260268 502520536 1005041072