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1078161 = 3751341
BaseRepresentation
bin100000111001110010001
32000202221220
410013032101
5234000121
635035253
712110220
oct4071621
92022856
101078161
11677047
1243bb29
132b9986
14200cb7
151646c6
hex107391

1078161 has 8 divisors (see below), whose sum is σ = 1642944. Its totient is φ = 616080.

The previous prime is 1078159. The next prime is 1078163. The reversal of 1078161 is 1618701.

It is an interprime number because it is at equal distance from previous prime (1078159) and next prime (1078163).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1078161 - 21 = 1078159 is a prime.

It is a super-2 number, since 2×10781612 = 2324862283842, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between odd and even.

1078161 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1078163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25650 + ... + 25691.

It is an arithmetic number, because the mean of its divisors is an integer number (205368).

21078161 is an apocalyptic number.

It is an amenable number.

1078161 is a deficient number, since it is larger than the sum of its proper divisors (564783).

1078161 is an equidigital number, since it uses as much as digits as its factorization.

1078161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51351.

The product of its (nonzero) digits is 336, while the sum is 24.

The square root of 1078161 is about 1038.3453182829. The cubic root of 1078161 is about 102.5402895352.

The spelling of 1078161 in words is "one million, seventy-eight thousand, one hundred sixty-one".

Divisors: 1 3 7 21 51341 154023 359387 1078161