Base | Representation |
---|---|
bin | 1000010111000… |
… | …10110010000000 |
3 | 11212222020000100 |
4 | 10023202302000 |
5 | 120423304122 |
6 | 10543122400 |
7 | 1511064651 |
oct | 413426200 |
9 | 155866010 |
10 | 70134912 |
11 | 36653441 |
12 | 1b5a3400 |
13 | 116b8063 |
14 | 9459528 |
15 | 6255aac |
hex | 42e2c80 |
70134912 has 96 divisors (see below), whose sum is σ = 210674880. Its totient is φ = 22353408.
The previous prime is 70134907. The next prime is 70134913. The reversal of 70134912 is 21943107.
It is a tau number, because it is divible by the number of its divisors (96).
It is not an unprimeable number, because it can be changed into a prime (70134913) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25173 + ... + 27819.
It is an arithmetic number, because the mean of its divisors is an integer number (2194530).
Almost surely, 270134912 is an apocalyptic number.
70134912 is a gapful number since it is divisible by the number (72) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 70134912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105337440).
70134912 is an abundant number, since it is smaller than the sum of its proper divisors (140539968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70134912 is a wasteful number, since it uses less digits than its factorization.
70134912 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2690 (or 2675 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 27.
The square root of 70134912 is about 8374.6589184277. The cubic root of 70134912 is about 412.3931271341.
The spelling of 70134912 in words is "seventy million, one hundred thirty-four thousand, nine hundred twelve".
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