Base | Representation |
---|---|
bin | 1000010110100… |
… | …00110111111000 |
3 | 11212211111101121 |
4 | 10023100313320 |
5 | 120413432220 |
6 | 10541355024 |
7 | 1510341052 |
oct | 413206770 |
9 | 155744347 |
10 | 70061560 |
11 | 36603318 |
12 | 1b568a74 |
13 | 1169085a |
14 | 943a8d2 |
15 | 623deaa |
hex | 42d0df8 |
70061560 has 32 divisors (see below), whose sum is σ = 158785200. Its totient is φ = 27820800.
The previous prime is 70061533. The next prime is 70061587. The reversal of 70061560 is 6516007.
It is an interprime number because it is at equal distance from previous prime (70061533) and next prime (70061587).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 741 + ... + 11860.
Almost surely, 270061560 is an apocalyptic number.
It is an amenable number.
70061560 is an abundant number, since it is smaller than the sum of its proper divisors (88723640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70061560 is a wasteful number, since it uses less digits than its factorization.
70061560 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12751 (or 12747 counting only the distinct ones).
The product of its (nonzero) digits is 1260, while the sum is 25.
The square root of 70061560 is about 8370.2783705203. The cubic root of 70061560 is about 412.2493071176.
Adding to 70061560 its reverse (6516007), we get a palindrome (76577567).
The spelling of 70061560 in words is "seventy million, sixty-one thousand, five hundred sixty".
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