Base | Representation |
---|---|
bin | 1000011100111… |
… | …11000010111101 |
3 | 11221102101210211 |
4 | 10032133002331 |
5 | 121122443140 |
6 | 11011432421 |
7 | 1520456110 |
oct | 416370275 |
9 | 157371724 |
10 | 70906045 |
11 | 3702a841 |
12 | 1b8b5711 |
13 | 118c8052 |
14 | 95ba577 |
15 | 63592ea |
hex | 439f0bd |
70906045 has 8 divisors (see below), whose sum is σ = 97242624. Its totient is φ = 48621264.
The previous prime is 70906037. The next prime is 70906049. The reversal of 70906045 is 54060907.
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 70906045 - 23 = 70906037 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 70905998 and 70906016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70906049) 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, 1012909 + ... + 1012978.
It is an arithmetic number, because the mean of its divisors is an integer number (12155328).
Almost surely, 270906045 is an apocalyptic number.
It is an amenable number.
70906045 is a deficient number, since it is larger than the sum of its proper divisors (26336579).
70906045 is a wasteful number, since it uses less digits than its factorization.
70906045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2025899.
The product of its (nonzero) digits is 7560, while the sum is 31.
The square root of 70906045 is about 8420.5727239897. The cubic root of 70906045 is about 413.8990414825.
The spelling of 70906045 in words is "seventy million, nine hundred six thousand, forty-five".
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