Base | Representation |
---|---|
bin | 1000011001011… |
… | …11110110000000 |
3 | 11220120021000000 |
4 | 10030233312000 |
5 | 121013404220 |
6 | 10554000000 |
7 | 1513551135 |
oct | 414576600 |
9 | 156507000 |
10 | 70450560 |
11 | 36849604 |
12 | 1b716000 |
13 | 1179892b |
14 | 94dc58c |
15 | 62b9390 |
hex | 432fd80 |
70450560 has 224 divisors, whose sum is σ = 254188080. Its totient is φ = 18662400.
The previous prime is 70450511. The next prime is 70450571. The reversal of 70450560 is 6505407.
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 polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 466485 + ... + 466635.
Almost surely, 270450560 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 70450560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127094040).
70450560 is an abundant number, since it is smaller than the sum of its proper divisors (183737520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70450560 is an equidigital number, since it uses as much as digits as its factorization.
70450560 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 188 (or 161 counting only the distinct ones).
The product of its (nonzero) digits is 4200, while the sum is 27.
The square root of 70450560 is about 8393.4831863774. The cubic root of 70450560 is about 413.0108711696.
Adding to 70450560 its reverse (6505407), we get a palindrome (76955967).
The spelling of 70450560 in words is "seventy million, four hundred fifty thousand, five hundred sixty".
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