Base | Representation |
---|---|
bin | 111010101110001… |
… | …1101011000000000 |
3 | 12002022122102021200 |
4 | 1311130131120000 |
5 | 13013410111444 |
6 | 523304221200 |
7 | 66554035512 |
oct | 16534353000 |
9 | 5068572250 |
10 | 1970394624 |
11 | 921266710 |
12 | 46ba6a800 |
13 | 2552acba3 |
14 | 14998dbb2 |
15 | b7eb5969 |
hex | 7571d600 |
1970394624 has 120 divisors (see below), whose sum is σ = 6203823912. Its totient is φ = 597073920.
The previous prime is 1970394599. The next prime is 1970394637. The reversal of 1970394624 is 4264930791.
It is a happy number.
1970394624 is a `hidden beast` number, since 19 + 7 + 0 + 3 + 9 + 4 + 624 = 666.
It is a self number, because there is not a number n which added to its sum of digits gives 1970394624.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31252 + ... + 70124.
Almost surely, 21970394624 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 1970394624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3101911956).
1970394624 is an abundant number, since it is smaller than the sum of its proper divisors (4233429288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1970394624 is a wasteful number, since it uses less digits than its factorization.
1970394624 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38908 (or 38889 counting only the distinct ones).
The product of its (nonzero) digits is 326592, while the sum is 45.
The square root of 1970394624 is about 44389.1273173961. The cubic root of 1970394624 is about 1253.6733808971.
The spelling of 1970394624 in words is "one billion, nine hundred seventy million, three hundred ninety-four thousand, six hundred twenty-four".
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