Base | Representation |
---|---|
bin | 1000010111001… |
… | …11001111110000 |
3 | 11220000011002200 |
4 | 10023213033300 |
5 | 120424400300 |
6 | 10543343200 |
7 | 1511202165 |
oct | 413471760 |
9 | 156004080 |
10 | 70153200 |
11 | 36666157 |
12 | 1b5b1b00 |
13 | 116c3490 |
14 | 946206c |
15 | 625b200 |
hex | 42e73f0 |
70153200 has 180 divisors, whose sum is σ = 262353000. Its totient is φ = 17256960.
The previous prime is 70153141. The next prime is 70153201. The reversal of 70153200 is 235107.
It is a tau number, because it is divible by the number of its divisors (180).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a zygodrome in base 3.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70153201) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 46051 + ... + 47549.
Almost surely, 270153200 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 70153200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131176500).
70153200 is an abundant number, since it is smaller than the sum of its proper divisors (192199800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70153200 is a wasteful number, since it uses less digits than its factorization.
70153200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1536 (or 1522 counting only the distinct ones).
The product of its (nonzero) digits is 210, while the sum is 18.
The square root of 70153200 is about 8375.7507126227. The cubic root of 70153200 is about 412.4289684855.
Adding to 70153200 its reverse (235107), we get a palindrome (70388307).
The spelling of 70153200 in words is "seventy million, one hundred fifty-three thousand, two hundred".
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