Base | Representation |
---|---|
bin | 1000011100011… |
… | …00010011101010 |
3 | 11221021111112001 |
4 | 10032030103222 |
5 | 121113014130 |
6 | 11010041214 |
7 | 1520016250 |
oct | 416142352 |
9 | 157244461 |
10 | 70829290 |
11 | 36a88104 |
12 | 1b87920a |
13 | 1189c12c |
14 | 959a5d0 |
15 | 63416ca |
hex | 438c4ea |
70829290 has 32 divisors (see below), whose sum is σ = 147058560. Its totient is φ = 24058944.
The previous prime is 70829287. The next prime is 70829309. The reversal of 70829290 is 9292807.
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, 2989 + ... + 12271.
It is an arithmetic number, because the mean of its divisors is an integer number (4595580).
Almost surely, 270829290 is an apocalyptic number.
70829290 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
70829290 is an abundant number, since it is smaller than the sum of its proper divisors (76229270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70829290 is a wasteful number, since it uses less digits than its factorization.
70829290 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9406.
The product of its (nonzero) digits is 18144, while the sum is 37.
The square root of 70829290 is about 8416.0139020798. The cubic root of 70829290 is about 413.7496405348.
The spelling of 70829290 in words is "seventy million, eight hundred twenty-nine thousand, two hundred ninety".
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