Base | Representation |
---|---|
bin | 1000000001001… |
… | …00000010011000 |
3 | 11200112222112110 |
4 | 10000210002120 |
5 | 114204201342 |
6 | 10401312320 |
7 | 1444446003 |
oct | 400440230 |
9 | 150488473 |
10 | 67256472 |
11 | 34a67868 |
12 | 1a6356a0 |
13 | 10c1ab3a |
14 | 8d0a53a |
15 | 5d87c9c |
hex | 4024098 |
67256472 has 32 divisors (see below), whose sum is σ = 172054080. Its totient is φ = 21897120.
The previous prime is 67256467. The next prime is 67256473. The reversal of 67256472 is 27465276.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 67256472.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67256473) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31554 + ... + 33617.
It is an arithmetic number, because the mean of its divisors is an integer number (5376690).
Almost surely, 267256472 is an apocalyptic number.
It is an amenable number.
67256472 is an abundant number, since it is smaller than the sum of its proper divisors (104797608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67256472 is a wasteful number, since it uses less digits than its factorization.
67256472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65223 (or 65219 counting only the distinct ones).
The product of its digits is 141120, while the sum is 39.
The square root of 67256472 is about 8201.0043287393. The cubic root of 67256472 is about 406.6723956313.
The spelling of 67256472 in words is "sixty-seven million, two hundred fifty-six thousand, four hundred seventy-two".
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