Base | Representation |
---|---|
bin | 100101010001000… |
… | …010010100100100 |
3 | 1121120110121122111 |
4 | 211101002110210 |
5 | 2240024113243 |
6 | 142012410404 |
7 | 21331210300 |
oct | 4521022444 |
9 | 1546417574 |
10 | 625222948 |
11 | 2a0a16289 |
12 | 155476a04 |
13 | 9c6ba40c |
14 | 5d070d00 |
15 | 39d5139d |
hex | 25442524 |
625222948 has 54 divisors (see below), whose sum is σ = 1318525026. Its totient is φ = 258644736.
The previous prime is 625222943. The next prime is 625222951. The reversal of 625222948 is 849222526.
It can be written as a sum of positive squares in 3 ways, for example, as 36578304 + 588644644 = 6048^2 + 24262^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 625222948.
It is not an unprimeable number, because it can be changed into a prime (625222943) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 162940 + ... + 166732.
Almost surely, 2625222948 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 625222948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (659262513).
625222948 is an abundant number, since it is smaller than the sum of its proper divisors (693302078).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
625222948 is a wasteful number, since it uses less digits than its factorization.
625222948 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3869 (or 3831 counting only the distinct ones).
The product of its digits is 138240, while the sum is 40.
The square root of 625222948 is about 25004.4585624244. The cubic root of 625222948 is about 855.0896241104.
The spelling of 625222948 in words is "six hundred twenty-five million, two hundred twenty-two thousand, nine hundred forty-eight".
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