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1073507968 = 2713645137
BaseRepresentation
bin111111111111000…
…110111010000000
32202210222212002101
4333333012322000
54144304223333
6254305000144
735413444561
oct7777067200
92683885071
101073507968
11500a70475
1225b623054
13141536620
14a2804168
15643a167d
hex3ffc6e80

1073507968 has 32 divisors (see below), whose sum is σ = 2303142660. Its totient is φ = 495464448.

The previous prime is 1073507933. The next prime is 1073507987. The reversal of 1073507968 is 8697053701.

It can be written as a sum of positive squares in 2 ways, for example, as 870958144 + 202549824 = 29512^2 + 14232^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320905 + ... + 324232.

Almost surely, 21073507968 is an apocalyptic number.

It is an amenable number.

1073507968 is an abundant number, since it is smaller than the sum of its proper divisors (1229634692).

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

1073507968 is an equidigital number, since it uses as much as digits as its factorization.

1073507968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645164 (or 645152 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 46.

The square root of 1073507968 is about 32764.4314463108. The cubic root of 1073507968 is about 1023.9256537820.

The spelling of 1073507968 in words is "one billion, seventy-three million, five hundred seven thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 128 208 416 832 1664 645137 1290274 2580548 5161096 8386781 10322192 16773562 20644384 33547124 41288768 67094248 82577536 134188496 268376992 536753984 1073507968