Base | Representation |
---|---|
bin | 1000010111101… |
… | …10001010110000 |
3 | 11220010020221101 |
4 | 10023312022300 |
5 | 120433324240 |
6 | 10544534144 |
7 | 1511545321 |
oct | 413661260 |
9 | 156106841 |
10 | 70214320 |
11 | 366a8070 |
12 | 1b621354 |
13 | 11715247 |
14 | 947a448 |
15 | 626e39a |
hex | 42f62b0 |
70214320 has 80 divisors (see below), whose sum is σ = 180693792. Its totient is φ = 25159680.
The previous prime is 70214311. The next prime is 70214341. The reversal of 70214320 is 2341207.
It is a tau number, because it is divible by the number of its divisors (80).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63694 + ... + 64786.
Almost surely, 270214320 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 70214320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90346896).
70214320 is an abundant number, since it is smaller than the sum of its proper divisors (110479472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70214320 is a wasteful number, since it uses less digits than its factorization.
70214320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1190 (or 1184 counting only the distinct ones).
The product of its (nonzero) digits is 336, while the sum is 19.
The square root of 70214320 is about 8379.3985464352. The cubic root of 70214320 is about 412.5487080530.
Adding to 70214320 its reverse (2341207), we get a palindrome (72555527).
The spelling of 70214320 in words is "seventy million, two hundred fourteen thousand, three hundred twenty".
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