Base | Representation |
---|---|
bin | 1000010001000… |
… | …01001111000001 |
3 | 11211110221112121 |
4 | 10020201033001 |
5 | 120222422040 |
6 | 10514124241 |
7 | 1501253455 |
oct | 410411701 |
9 | 154427477 |
10 | 69342145 |
11 | 36161864 |
12 | 1b280681 |
13 | 1149b272 |
14 | 92d0665 |
15 | 614ac4a |
hex | 42213c1 |
69342145 has 8 divisors (see below), whose sum is σ = 83255400. Its totient is φ = 55443840.
The previous prime is 69342109. The next prime is 69342151. The reversal of 69342145 is 54124396.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 6235009 + 63107136 = 2497^2 + 7944^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 69342145 - 27 = 69342017 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 69342145.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15235 + ... + 19255.
It is an arithmetic number, because the mean of its divisors is an integer number (10406925).
Almost surely, 269342145 is an apocalyptic number.
It is an amenable number.
69342145 is a deficient number, since it is larger than the sum of its proper divisors (13913255).
69342145 is a wasteful number, since it uses less digits than its factorization.
69342145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7475.
The product of its digits is 25920, while the sum is 34.
The square root of 69342145 is about 8327.1931045221. The cubic root of 69342145 is about 410.8334128326.
The spelling of 69342145 in words is "sixty-nine million, three hundred forty-two thousand, one hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •