Base | Representation |
---|---|
bin | 1000000010110… |
… | …00101101110100 |
3 | 11200221221112000 |
4 | 10001120231310 |
5 | 114233102434 |
6 | 10410055300 |
7 | 1446335040 |
oct | 401305564 |
9 | 150857460 |
10 | 67472244 |
11 | 350a4994 |
12 | 1a71a530 |
13 | 10c95108 |
14 | 8d65020 |
15 | 5dcbb99 |
hex | 4058b74 |
67472244 has 96 divisors (see below), whose sum is σ = 206438400. Its totient is φ = 18649440.
The previous prime is 67472239. The next prime is 67472281. The reversal of 67472244 is 44227476.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a nude number because it is divisible by every one of its digits.
It is a junction number, because it is equal to n+sod(n) for n = 67472199 and 67472208.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21997 + ... + 24875.
It is an arithmetic number, because the mean of its divisors is an integer number (2150400).
Almost surely, 267472244 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 67472244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103219200).
67472244 is an abundant number, since it is smaller than the sum of its proper divisors (138966156).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67472244 is a wasteful number, since it uses less digits than its factorization.
67472244 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2930 (or 2922 counting only the distinct ones).
The product of its digits is 75264, while the sum is 36.
The square root of 67472244 is about 8214.1490125271. The cubic root of 67472244 is about 407.1068264118.
The spelling of 67472244 in words is "sixty-seven million, four hundred seventy-two thousand, two hundred forty-four".
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