Base | Representation |
---|---|
bin | 1000011101011… |
… | …10100000111001 |
3 | 11221112121201100 |
4 | 10032232200321 |
5 | 121132010101 |
6 | 11013042013 |
7 | 1521141606 |
oct | 416564071 |
9 | 157477640 |
10 | 70969401 |
11 | 370733a8 |
12 | 1b926309 |
13 | 1191ab39 |
14 | 95d56ad |
15 | 636ce86 |
hex | 43ae839 |
70969401 has 24 divisors (see below), whose sum is σ = 106240680. Its totient is φ = 45619200.
The previous prime is 70969397. The next prime is 70969403. The reversal of 70969401 is 10496907.
It can be written as a sum of positive squares in 4 ways, for example, as 5625 + 70963776 = 75^2 + 8424^2 .
It is not a de Polignac number, because 70969401 - 22 = 70969397 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (70969403) 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 23 ways as a sum of consecutive naturals, for example, 31761 + ... + 33921.
It is an arithmetic number, because the mean of its divisors is an integer number (4426695).
Almost surely, 270969401 is an apocalyptic number.
It is an amenable number.
70969401 is a deficient number, since it is larger than the sum of its proper divisors (35271279).
70969401 is a wasteful number, since it uses less digits than its factorization.
70969401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2297 (or 2294 counting only the distinct ones).
The product of its (nonzero) digits is 13608, while the sum is 36.
The square root of 70969401 is about 8424.3338609056. Note that the first 3 decimals coincide. The cubic root of 70969401 is about 414.0222805344.
The spelling of 70969401 in words is "seventy million, nine hundred sixty-nine thousand, four hundred one".
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