Base | Representation |
---|---|
bin | 1000000001001… |
… | …11100001010000 |
3 | 11200120201002202 |
4 | 10000213201100 |
5 | 114210130421 |
6 | 10401502332 |
7 | 1444535411 |
oct | 400474120 |
9 | 150521082 |
10 | 67270736 |
11 | 34a77555 |
12 | 1a6419a8 |
13 | 10c24490 |
14 | 8d11808 |
15 | 5d8c10b |
hex | 4027850 |
67270736 has 40 divisors (see below), whose sum is σ = 144173064. Its totient is φ = 30205440.
The previous prime is 67270711. The next prime is 67270759. The reversal of 67270736 is 63707276.
It can be written as a sum of positive squares in 4 ways, for example, as 4227136 + 63043600 = 2056^2 + 7940^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 67270736.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3326 + ... + 12066.
Almost surely, 267270736 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 67270736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72086532).
67270736 is an abundant number, since it is smaller than the sum of its proper divisors (76902328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67270736 is a wasteful number, since it uses less digits than its factorization.
67270736 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8799 (or 8793 counting only the distinct ones).
The product of its (nonzero) digits is 74088, while the sum is 38.
The square root of 67270736 is about 8201.8739322182. The cubic root of 67270736 is about 406.7011431250.
The spelling of 67270736 in words is "sixty-seven million, two hundred seventy thousand, seven hundred thirty-six".
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