Base | Representation |
---|---|
bin | 1000011100100… |
… | …00111010001100 |
3 | 11221022110101012 |
4 | 10032100322030 |
5 | 121114120030 |
6 | 11010304352 |
7 | 1520125226 |
oct | 416207214 |
9 | 157273335 |
10 | 70848140 |
11 | 36aa0290 |
12 | 1b8880b8 |
13 | 118a789c |
14 | 95a3416 |
15 | 6347095 |
hex | 4390e8c |
70848140 has 24 divisors (see below), whose sum is σ = 162307152. Its totient is φ = 25762880.
The previous prime is 70848139. The next prime is 70848157. The reversal of 70848140 is 4184807.
It is a junction number, because it is equal to n+sod(n) for n = 70848097 and 70848106.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160799 + ... + 161238.
It is an arithmetic number, because the mean of its divisors is an integer number (6762798).
Almost surely, 270848140 is an apocalyptic number.
It is an amenable number.
70848140 is an abundant number, since it is smaller than the sum of its proper divisors (91459012).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70848140 is a wasteful number, since it uses less digits than its factorization.
70848140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 322057 (or 322055 counting only the distinct ones).
The product of its (nonzero) digits is 7168, while the sum is 32.
The square root of 70848140 is about 8417.1337164144. The cubic root of 70848140 is about 413.7863414013.
The spelling of 70848140 in words is "seventy million, eight hundred forty-eight thousand, one hundred forty".
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