Base | Representation |
---|---|
bin | 1000011101001… |
… | …11001001000110 |
3 | 11221111002022000 |
4 | 10032213021012 |
5 | 121130023311 |
6 | 11012250130 |
7 | 1520654562 |
oct | 416471106 |
9 | 157432260 |
10 | 70939206 |
11 | 37052748 |
12 | 1b910946 |
13 | 1190a180 |
14 | 95c86a2 |
15 | 6364056 |
hex | 43a7246 |
70939206 has 64 divisors (see below), whose sum is σ = 171225600. Its totient is φ = 21640608.
The previous prime is 70939171. The next prime is 70939213. The reversal of 70939206 is 60293907.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97215 + ... + 97941.
It is an arithmetic number, because the mean of its divisors is an integer number (2675400).
Almost surely, 270939206 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 70939206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85612800).
70939206 is an abundant number, since it is smaller than the sum of its proper divisors (100286394).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70939206 is a wasteful number, since it uses less digits than its factorization.
70939206 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 890 (or 884 counting only the distinct ones).
The product of its (nonzero) digits is 20412, while the sum is 36.
The square root of 70939206 is about 8422.5415404140. The cubic root of 70939206 is about 413.9635548678.
The spelling of 70939206 in words is "seventy million, nine hundred thirty-nine thousand, two hundred six".
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