Base | Representation |
---|---|
bin | 1000011100010… |
… | …10111000000000 |
3 | 11221021012110210 |
4 | 10032022320000 |
5 | 121112322144 |
6 | 11005554120 |
7 | 1516663200 |
oct | 416127000 |
9 | 157235423 |
10 | 70823424 |
11 | 36a83761 |
12 | 1b875940 |
13 | 11899569 |
14 | 9598400 |
15 | 633eab9 |
hex | 438ae00 |
70823424 has 120 divisors (see below), whose sum is σ = 219715848. Its totient is φ = 20213760.
The previous prime is 70823399. The next prime is 70823443. The reversal of 70823424 is 42432807.
It is a junction number, because it is equal to n+sod(n) for n = 70823391 and 70823400.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74794 + ... + 75734.
Almost surely, 270823424 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 70823424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109857924).
70823424 is an abundant number, since it is smaller than the sum of its proper divisors (148892424).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70823424 is an equidigital number, since it uses as much as digits as its factorization.
70823424 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 976 (or 953 counting only the distinct ones).
The product of its (nonzero) digits is 10752, while the sum is 30.
The square root of 70823424 is about 8415.6653925878. The cubic root of 70823424 is about 413.7382181303.
The spelling of 70823424 in words is "seventy million, eight hundred twenty-three thousand, four hundred twenty-four".
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