Base | Representation |
---|---|
bin | 1000011000100… |
… | …10110101110000 |
3 | 11220100020001000 |
4 | 10030102311300 |
5 | 121001104020 |
6 | 10551242000 |
7 | 1512544602 |
oct | 414226560 |
9 | 156306030 |
10 | 70331760 |
11 | 36778324 |
12 | 1b679300 |
13 | 11756835 |
14 | 94ab172 |
15 | 6294090 |
hex | 4312d70 |
70331760 has 80 divisors (see below), whose sum is σ = 242261280. Its totient is φ = 18754560.
The previous prime is 70331759. The next prime is 70331773. The reversal of 70331760 is 6713307.
It is a tau number, because it is divible by the number of its divisors (80).
It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14121 + ... + 18440.
It is an arithmetic number, because the mean of its divisors is an integer number (3028266).
Almost surely, 270331760 is an apocalyptic number.
It is an amenable number.
70331760 is an abundant number, since it is smaller than the sum of its proper divisors (171929520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70331760 is a wasteful number, since it uses less digits than its factorization.
70331760 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32583 (or 32571 counting only the distinct ones).
The product of its (nonzero) digits is 2646, while the sum is 27.
The square root of 70331760 is about 8386.4032815027. The cubic root of 70331760 is about 412.7785886677.
The spelling of 70331760 in words is "seventy million, three hundred thirty-one thousand, seven hundred sixty".
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