Base | Representation |
---|---|
bin | 1000011101101… |
… | …00101010010100 |
3 | 11221120220020220 |
4 | 10032310222110 |
5 | 121133311310 |
6 | 11013354340 |
7 | 1521305166 |
oct | 416645224 |
9 | 157526226 |
10 | 70994580 |
11 | 37090308 |
12 | 1b9389b0 |
13 | 11929437 |
14 | 9600936 |
15 | 6375670 |
hex | 43b4a94 |
70994580 has 48 divisors (see below), whose sum is σ = 199691520. Its totient is φ = 18845568.
The previous prime is 70994579. The next prime is 70994587. The reversal of 70994580 is 8549907.
It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70994587) 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, 11157 + ... + 16323.
It is an arithmetic number, because the mean of its divisors is an integer number (4160240).
Almost surely, 270994580 is an apocalyptic number.
It is an amenable number.
70994580 is an abundant number, since it is smaller than the sum of its proper divisors (128696940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70994580 is a wasteful number, since it uses less digits than its factorization.
70994580 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5408 (or 5406 counting only the distinct ones).
The product of its (nonzero) digits is 90720, while the sum is 42.
The square root of 70994580 is about 8425.8281492088. The cubic root of 70994580 is about 414.0712379454.
The spelling of 70994580 in words is "seventy million, nine hundred ninety-four thousand, five hundred eighty".
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