Base | Representation |
---|---|
bin | 1000010111000… |
… | …00111101000110 |
3 | 11212221211202020 |
4 | 10023200331012 |
5 | 120423034210 |
6 | 10543024010 |
7 | 1511034102 |
oct | 413407506 |
9 | 155854666 |
10 | 70127430 |
11 | 3664885a |
12 | 1b59b006 |
13 | 116b4829 |
14 | 9456902 |
15 | 6253770 |
hex | 42e0f46 |
70127430 has 32 divisors (see below), whose sum is σ = 171069408. Its totient is φ = 18393600.
The previous prime is 70127429. The next prime is 70127441. The reversal of 70127430 is 3472107.
It is an alternating number because its digits alternate between odd and even.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 70127430.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17331 + ... + 20990.
It is an arithmetic number, because the mean of its divisors is an integer number (5345919).
Almost surely, 270127430 is an apocalyptic number.
70127430 is an abundant number, since it is smaller than the sum of its proper divisors (100941978).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70127430 is a wasteful number, since it uses less digits than its factorization.
70127430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38392.
The product of its (nonzero) digits is 1176, while the sum is 24.
The square root of 70127430 is about 8374.2122017537. The cubic root of 70127430 is about 412.3784618981.
Adding to 70127430 its reverse (3472107), we get a palindrome (73599537).
The spelling of 70127430 in words is "seventy million, one hundred twenty-seven thousand, four hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •