Base | Representation |
---|---|
bin | 100110111010011… |
… | …001011111011100 |
3 | 1200111102212012100 |
4 | 212322121133130 |
5 | 2314111433342 |
6 | 144440405100 |
7 | 22115034165 |
oct | 4672313734 |
9 | 1614385170 |
10 | 652842972 |
11 | 305570651 |
12 | 162776790 |
13 | a533b022 |
14 | 629c076c |
15 | 3c4a9e4c |
hex | 26e997dc |
652842972 has 72 divisors (see below), whose sum is σ = 1693403712. Its totient is φ = 211968000.
The previous prime is 652842901. The next prime is 652842973. The reversal of 652842972 is 279248256.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (652842973) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 406972 + ... + 408572.
It is an arithmetic number, because the mean of its divisors is an integer number (23519496).
Almost surely, 2652842972 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 652842972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (846701856).
652842972 is an abundant number, since it is smaller than the sum of its proper divisors (1040560740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
652842972 is a wasteful number, since it uses less digits than its factorization.
652842972 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1899 (or 1894 counting only the distinct ones).
The product of its digits is 483840, while the sum is 45.
The square root of 652842972 is about 25550.7920033802. The cubic root of 652842972 is about 867.5001883026.
The spelling of 652842972 in words is "six hundred fifty-two million, eight hundred forty-two thousand, nine hundred seventy-two".
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