Base | Representation |
---|---|
bin | 1000011101001… |
… | …11101111011100 |
3 | 11221111012122220 |
4 | 10032213233130 |
5 | 121130113120 |
6 | 11012305340 |
7 | 1520664666 |
oct | 416475734 |
9 | 157435586 |
10 | 70941660 |
11 | 37054579 |
12 | 1b912250 |
13 | 1190b31a |
14 | 95c9536 |
15 | 6364b40 |
hex | 43a7bdc |
70941660 has 48 divisors (see below), whose sum is σ = 207277056. Its totient is φ = 18094912.
The previous prime is 70941641. The next prime is 70941667. The reversal of 70941660 is 6614907.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70941667) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24324 + ... + 27083.
It is an arithmetic number, because the mean of its divisors is an integer number (4318272).
Almost surely, 270941660 is an apocalyptic number.
It is an amenable number.
70941660 is an abundant number, since it is smaller than the sum of its proper divisors (136335396).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70941660 is a wasteful number, since it uses less digits than its factorization.
70941660 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51442 (or 51440 counting only the distinct ones).
The product of its (nonzero) digits is 9072, while the sum is 33.
The square root of 70941660 is about 8422.6872196467. The cubic root of 70941660 is about 413.9683282266.
The spelling of 70941660 in words is "seventy million, nine hundred forty-one thousand, six hundred sixty".
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