Base | Representation |
---|---|
bin | 1011100010010101011… |
… | …00000011010001100010 |
3 | 1101220011002211001121200 |
4 | 11301022230003101202 |
5 | 22443301323143322 |
6 | 502033222302030 |
7 | 40431625600041 |
oct | 5611254032142 |
9 | 1356132731550 |
10 | 396390052962 |
11 | 14312093a7a2 |
12 | 649a6287916 |
13 | 2b4c17877c7 |
14 | 15284984558 |
15 | a49ea1e8ac |
hex | 5c4ab03462 |
396390052962 has 54 divisors (see below), whose sum is σ = 887628920139. Its totient is φ = 127841047560.
The previous prime is 396390052957. The next prime is 396390052969. The reversal of 396390052962 is 269250093693.
It can be written as a sum of positive squares in only one way, i.e., 198195026481 + 198195026481 = 445191^2 + 445191^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=445191.
It is a junction number, because it is equal to n+sod(n) for n = 396390052899 and 396390052908.
It is not an unprimeable number, because it can be changed into a prime (396390052969) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 82803133 + ... + 82807919.
Almost surely, 2396390052962 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 396390052962
396390052962 is an abundant number, since it is smaller than the sum of its proper divisors (491238867177).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
396390052962 is an frugal number, since it uses more digits than its factorization.
396390052962 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9644 (or 4823 counting only the distinct ones).
The product of its (nonzero) digits is 4723920, while the sum is 54.
The spelling of 396390052962 in words is "three hundred ninety-six billion, three hundred ninety million, fifty-two thousand, nine hundred sixty-two".
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