Base | Representation |
---|---|
bin | 1000000110100… |
… | …10000001000000 |
3 | 11201220012001122 |
4 | 10003102001000 |
5 | 114400002323 |
6 | 10424451412 |
7 | 1453504415 |
oct | 403220100 |
9 | 151805048 |
10 | 67969088 |
11 | 35404200 |
12 | 1a919b68 |
13 | 1110a2c5 |
14 | 905410c |
15 | 5e78ec8 |
hex | 40d2040 |
67969088 has 84 divisors (see below), whose sum is σ = 151613616. Its totient is φ = 30201600.
The previous prime is 67969087. The next prime is 67969093. The reversal of 67969088 is 88096976.
It is not an unprimeable number, because it can be changed into a prime (67969087) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 518783 + ... + 518913.
It is an arithmetic number, because the mean of its divisors is an integer number (1804924).
Almost surely, 267969088 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 67969088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75806808).
67969088 is an abundant number, since it is smaller than the sum of its proper divisors (83644528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67969088 is a wasteful number, since it uses less digits than its factorization.
67969088 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 232 (or 211 counting only the distinct ones).
The product of its (nonzero) digits is 1306368, while the sum is 53.
The square root of 67969088 is about 8244.3367228662. The cubic root of 67969088 is about 408.1036517378.
The spelling of 67969088 in words is "sixty-seven million, nine hundred sixty-nine thousand, eighty-eight".
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