Base | Representation |
---|---|
bin | 1000010110110… |
… | …11011111001101 |
3 | 11212220201000212 |
4 | 10023123133031 |
5 | 120421330122 |
6 | 10542332205 |
7 | 1510611602 |
oct | 413333715 |
9 | 155821025 |
10 | 70105037 |
11 | 36632a52 |
12 | 1b58a065 |
13 | 116a7592 |
14 | 944c6a9 |
15 | 624bce2 |
hex | 42db7cd |
70105037 has 4 divisors (see below), whose sum is σ = 70949760. Its totient is φ = 69260316.
The previous prime is 70105031. The next prime is 70105051. The reversal of 70105037 is 73050107.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 70105037 - 214 = 70088653 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70105031) 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, 422237 + ... + 422402.
It is an arithmetic number, because the mean of its divisors is an integer number (17737440).
Almost surely, 270105037 is an apocalyptic number.
It is an amenable number.
70105037 is a deficient number, since it is larger than the sum of its proper divisors (844723).
70105037 is an equidigital number, since it uses as much as digits as its factorization.
70105037 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 844722.
The product of its (nonzero) digits is 735, while the sum is 23.
The square root of 70105037 is about 8372.8750737127. The cubic root of 70105037 is about 412.3345638401.
The spelling of 70105037 in words is "seventy million, one hundred five thousand, thirty-seven".
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