Base | Representation |
---|---|
bin | 1000011011110… |
… | …10000011110001 |
3 | 11221010200222201 |
4 | 10031322003301 |
5 | 121103121140 |
6 | 11004303201 |
7 | 1516255321 |
oct | 415720361 |
9 | 157120881 |
10 | 70754545 |
11 | 36a36a34 |
12 | 1b841b01 |
13 | 118740c4 |
14 | 957b281 |
15 | 632949a |
hex | 437a0f1 |
70754545 has 8 divisors (see below), whose sum is σ = 87200424. Its totient is φ = 55073664.
The previous prime is 70754543. The next prime is 70754549. The reversal of 70754545 is 54545707.
It can be written as a sum of positive squares in 4 ways, for example, as 5726449 + 65028096 = 2393^2 + 8064^2 .
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 70754545 - 21 = 70754543 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (37).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (70754543) 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, 191044 + ... + 191413.
It is an arithmetic number, because the mean of its divisors is an integer number (10900053).
Almost surely, 270754545 is an apocalyptic number.
It is an amenable number.
70754545 is a deficient number, since it is larger than the sum of its proper divisors (16445879).
70754545 is a wasteful number, since it uses less digits than its factorization.
70754545 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 382499.
The product of its (nonzero) digits is 98000, while the sum is 37.
The square root of 70754545 is about 8411.5720884981. The cubic root of 70754545 is about 413.6040482159.
The spelling of 70754545 in words is "seventy million, seven hundred fifty-four thousand, five hundred forty-five".
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