Base | Representation |
---|---|
bin | 1000010111001… |
… | …01101011010110 |
3 | 11212222211021200 |
4 | 10023211223112 |
5 | 120424144044 |
6 | 10543253330 |
7 | 1511144355 |
oct | 413455326 |
9 | 155884250 |
10 | 70146774 |
11 | 36661345 |
12 | 1b5aa246 |
13 | 116c0589 |
14 | 945d99c |
15 | 6259369 |
hex | 42e5ad6 |
70146774 has 24 divisors (see below), whose sum is σ = 153695880. Its totient is φ = 23119008.
The previous prime is 70146773. The next prime is 70146781. The reversal of 70146774 is 47764107.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70146773) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20292 + ... + 23495.
It is an arithmetic number, because the mean of its divisors is an integer number (6403995).
Almost surely, 270146774 is an apocalyptic number.
70146774 is an abundant number, since it is smaller than the sum of its proper divisors (83549106).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70146774 is a wasteful number, since it uses less digits than its factorization.
70146774 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43884 (or 43881 counting only the distinct ones).
The product of its (nonzero) digits is 32928, while the sum is 36.
The square root of 70146774 is about 8375.3670964323. The cubic root of 70146774 is about 412.4163753347.
The spelling of 70146774 in words is "seventy million, one hundred forty-six thousand, seven hundred seventy-four".
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