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1078864064 = 2617991603
BaseRepresentation
bin100000001001110…
…0010100011000000
32210012001222021022
41000103202203000
54202142122224
6255015445012
735510123165
oct10023424300
92705058238
101078864064
11503a995a3
12261386768
13142690505
14a33da06c
1564aad65e
hex404e28c0

1078864064 has 28 divisors (see below), whose sum is σ = 2266806744. Its totient is φ = 507700224.

The previous prime is 1078864051. The next prime is 1078864069. The reversal of 1078864064 is 4604688701.

It is not an unprimeable number, because it can be changed into a prime (1078864069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494714 + ... + 496889.

Almost surely, 21078864064 is an apocalyptic number.

It is an amenable number.

1078864064 is an abundant number, since it is smaller than the sum of its proper divisors (1187942680).

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

1078864064 is an equidigital number, since it uses as much as digits as its factorization.

1078864064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991632 (or 991622 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 1078864064 is about 32846.0661875970. The cubic root of 1078864064 is about 1025.6257338127.

The spelling of 1078864064 in words is "one billion, seventy-eight million, eight hundred sixty-four thousand, sixty-four".

Divisors: 1 2 4 8 16 17 32 34 64 68 136 272 544 1088 991603 1983206 3966412 7932824 15865648 16857251 31731296 33714502 63462592 67429004 134858008 269716016 539432032 1078864064