Base | Representation |
---|---|
bin | 1000000101110… |
… | …01011001011010 |
3 | 11201201001201220 |
4 | 10002321121122 |
5 | 114333241000 |
6 | 10422352510 |
7 | 1452604422 |
oct | 402713132 |
9 | 151631656 |
10 | 67868250 |
11 | 3534546a |
12 | 1a88b736 |
13 | 110a3438 |
14 | 9029482 |
15 | 5e591a0 |
hex | 40b965a |
67868250 has 64 divisors (see below), whose sum is σ = 179397504. Its totient is φ = 17030400.
The previous prime is 67868237. The next prime is 67868287. The reversal of 67868250 is 5286876.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10089 + ... + 15411.
It is an arithmetic number, because the mean of its divisors is an integer number (2803086).
Almost surely, 267868250 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 67868250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89698752).
67868250 is an abundant number, since it is smaller than the sum of its proper divisors (111529254).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67868250 is a wasteful number, since it uses less digits than its factorization.
67868250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5360 (or 5350 counting only the distinct ones).
The product of its (nonzero) digits is 161280, while the sum is 42.
The square root of 67868250 is about 8238.2188608946. The cubic root of 67868250 is about 407.9017328701.
The spelling of 67868250 in words is "sixty-seven million, eight hundred sixty-eight thousand, two hundred fifty".
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