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1078321441 = 1763430673
BaseRepresentation
bin100000001000101…
…1110000100100001
32210011001101221011
41000101132010201
54202022241231
6255000100521
735502403201
oct10021360441
92704041834
101078321441
1150375894a
12261164741
13142530532
14a32d8401
1564a029b1
hex4045e121

1078321441 has 4 divisors (see below), whose sum is σ = 1141752132. Its totient is φ = 1014890752.

The previous prime is 1078321427. The next prime is 1078321469. The reversal of 1078321441 is 1441238701.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 479785216 + 598536225 = 21904^2 + 24465^2 .

It is not a de Polignac number, because 1078321441 - 219 = 1077797153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1078325441) 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, 31715320 + ... + 31715353.

It is an arithmetic number, because the mean of its divisors is an integer number (285438033).

Almost surely, 21078321441 is an apocalyptic number.

It is an amenable number.

1078321441 is a deficient number, since it is larger than the sum of its proper divisors (63430691).

1078321441 is an equidigital number, since it uses as much as digits as its factorization.

1078321441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63430690.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 1078321441 is about 32837.8050575857. The cubic root of 1078321441 is about 1025.4537561865.

The spelling of 1078321441 in words is "one billion, seventy-eight million, three hundred twenty-one thousand, four hundred forty-one".

Divisors: 1 17 63430673 1078321441