Base | Representation |
---|---|
bin | 1000000000100… |
… | …11110100111000 |
3 | 11200102121110012 |
4 | 10000103310320 |
5 | 114200040242 |
6 | 10400041052 |
7 | 1444051265 |
oct | 400236470 |
9 | 150377405 |
10 | 67190072 |
11 | 34a21994 |
12 | 1a603188 |
13 | 10bc6851 |
14 | 8cd026c |
15 | 5d73282 |
hex | 4013d38 |
67190072 has 16 divisors (see below), whose sum is σ = 128662560. Its totient is φ = 32880064.
The previous prime is 67190063. The next prime is 67190083. The reversal of 67190072 is 27009176.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88973 + ... + 89724.
It is an arithmetic number, because the mean of its divisors is an integer number (8041410).
Almost surely, 267190072 is an apocalyptic number.
It is an amenable number.
67190072 is a deficient number, since it is larger than the sum of its proper divisors (61472488).
67190072 is a wasteful number, since it uses less digits than its factorization.
67190072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 178750 (or 178746 counting only the distinct ones).
The product of its (nonzero) digits is 5292, while the sum is 32.
The square root of 67190072 is about 8196.9550444052. The cubic root of 67190072 is about 406.5385203450.
The spelling of 67190072 in words is "sixty-seven million, one hundred ninety thousand, seventy-two".
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