Base | Representation |
---|---|
bin | 1000011101101… |
… | …00111001100001 |
3 | 11221120221120221 |
4 | 10032310321201 |
5 | 121133324203 |
6 | 11013403041 |
7 | 1521311056 |
oct | 416647141 |
9 | 157527527 |
10 | 70995553 |
11 | 37091012 |
12 | 1b939481 |
13 | 11929a05 |
14 | 960102d |
15 | 6375abd |
hex | 43b4e61 |
70995553 has 8 divisors (see below), whose sum is σ = 75268872. Its totient is φ = 66733056.
The previous prime is 70995539. The next prime is 70995569. The reversal of 70995553 is 35559907.
It can be written as a sum of positive squares in 4 ways, for example, as 9168784 + 61826769 = 3028^2 + 7863^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 70995553 - 225 = 37441121 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (70995593) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13701 + ... + 18157.
It is an arithmetic number, because the mean of its divisors is an integer number (9408609).
Almost surely, 270995553 is an apocalyptic number.
It is an amenable number.
70995553 is a deficient number, since it is larger than the sum of its proper divisors (4273319).
70995553 is a wasteful number, since it uses less digits than its factorization.
70995553 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5411.
The product of its (nonzero) digits is 212625, while the sum is 43.
The square root of 70995553 is about 8425.8858881426. The cubic root of 70995553 is about 414.0731295897.
The spelling of 70995553 in words is "seventy million, nine hundred ninety-five thousand, five hundred fifty-three".
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