Base | Representation |
---|---|
bin | 1111111101111… |
… | …0000111000010 |
3 | 11200000102122020 |
4 | 3333132013002 |
5 | 114121020200 |
6 | 10351222310 |
7 | 1442143650 |
oct | 377360702 |
9 | 150012566 |
10 | 66970050 |
11 | 34891654 |
12 | 1a517996 |
13 | 10b4a664 |
14 | 8c73dd0 |
15 | 5d2cea0 |
hex | 3fde1c2 |
66970050 has 48 divisors (see below), whose sum is σ = 189815232. Its totient is φ = 15307200.
The previous prime is 66970039. The next prime is 66970081. The reversal of 66970050 is 5007966.
It is a junction number, because it is equal to n+sod(n) for n = 66969993 and 66970020.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30841 + ... + 32940.
It is an arithmetic number, because the mean of its divisors is an integer number (3954484).
Almost surely, 266970050 is an apocalyptic number.
66970050 is an abundant number, since it is smaller than the sum of its proper divisors (122845182).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
66970050 is a wasteful number, since it uses less digits than its factorization.
66970050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63803 (or 63798 counting only the distinct ones).
The product of its (nonzero) digits is 11340, while the sum is 33.
The square root of 66970050 is about 8183.5230799455. The cubic root of 66970050 is about 406.0942819373.
The spelling of 66970050 in words is "sixty-six million, nine hundred seventy thousand, fifty".
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