Base | Representation |
---|---|
bin | 1000011000101… |
… | …11000001001000 |
3 | 11220101002111210 |
4 | 10030113001020 |
5 | 121002130442 |
6 | 10551453120 |
7 | 1512645516 |
oct | 414270110 |
9 | 156332453 |
10 | 70348872 |
11 | 3678a170 |
12 | 1b6871a0 |
13 | 11761569 |
14 | 94b34b6 |
15 | 629919c |
hex | 4317048 |
70348872 has 64 divisors (see below), whose sum is σ = 192614400. Its totient is φ = 21234240.
The previous prime is 70348841. The next prime is 70348931. The reversal of 70348872 is 27884307.
It is a self number, because there is not a number n which added to its sum of digits gives 70348872.
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, 115593 + ... + 116199.
It is an arithmetic number, because the mean of its divisors is an integer number (3009600).
Almost surely, 270348872 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 70348872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96307200).
70348872 is an abundant number, since it is smaller than the sum of its proper divisors (122265528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70348872 is a wasteful number, since it uses less digits than its factorization.
70348872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1066 (or 1062 counting only the distinct ones).
The product of its (nonzero) digits is 75264, while the sum is 39.
The square root of 70348872 is about 8387.4234422736. The cubic root of 70348872 is about 412.8120628498.
The spelling of 70348872 in words is "seventy million, three hundred forty-eight thousand, eight hundred seventy-two".
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