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70801027 = 116436457
BaseRepresentation
bin1000011100001…
…01011010000011
311221020001202021
410032011122003
5121111113102
611005302311
71516540663
oct416053203
9157201667
1070801027
1136a68950
121b864997
131188c2cb
1495901a3
156338137
hex4385683

70801027 has 4 divisors (see below), whose sum is σ = 77237496. Its totient is φ = 64364560.

The previous prime is 70801019. The next prime is 70801033. The reversal of 70801027 is 72010807.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72010807 = 116546437.

It is a cyclic number.

It is not a de Polignac number, because 70801027 - 23 = 70801019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70800992 and 70801010.

It is not an unprimeable number, because it can be changed into a prime (70801007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3218218 + ... + 3218239.

It is an arithmetic number, because the mean of its divisors is an integer number (19309374).

Almost surely, 270801027 is an apocalyptic number.

70801027 is a deficient number, since it is larger than the sum of its proper divisors (6436469).

70801027 is a wasteful number, since it uses less digits than its factorization.

70801027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6436468.

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 70801027 is about 8414.3346142164. The cubic root of 70801027 is about 413.6946003961.

The spelling of 70801027 in words is "seventy million, eight hundred one thousand, twenty-seven".

Divisors: 1 11 6436457 70801027