Base | Representation |
---|---|
bin | 1111111111001… |
… | …1011011000000 |
3 | 11200011212101100 |
4 | 3333303123000 |
5 | 114131313334 |
6 | 10353134400 |
7 | 1442656314 |
oct | 377633300 |
9 | 150155340 |
10 | 67057344 |
11 | 349411a2 |
12 | 1a55a400 |
13 | 10b7b303 |
14 | 8c97b44 |
15 | 5d48c99 |
hex | 3ff36c0 |
67057344 has 84 divisors (see below), whose sum is σ = 196376544. Its totient is φ = 21868032.
The previous prime is 67057313. The next prime is 67057363. The reversal of 67057344 is 44375076.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 67057299 and 67057308.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25834 + ... + 28310.
It is an arithmetic number, because the mean of its divisors is an integer number (2337816).
Almost surely, 267057344 is an apocalyptic number.
67057344 is a gapful number since it is divisible by the number (64) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 67057344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98188272).
67057344 is an abundant number, since it is smaller than the sum of its proper divisors (129319200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67057344 is a wasteful number, since it uses less digits than its factorization.
67057344 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2542 (or 2529 counting only the distinct ones).
The product of its (nonzero) digits is 70560, while the sum is 36.
The square root of 67057344 is about 8188.8548649979. The cubic root of 67057344 is about 406.2706503428.
The spelling of 67057344 in words is "sixty-seven million, fifty-seven thousand, three hundred forty-four".
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