Base | Representation |
---|---|
bin | 1000000001001… |
… | …11111011011000 |
3 | 11200120210101200 |
4 | 10000213323120 |
5 | 114210204113 |
6 | 10401514200 |
7 | 1444543320 |
oct | 400477330 |
9 | 150523350 |
10 | 67272408 |
11 | 34a78835 |
12 | 1a642960 |
13 | 10c25178 |
14 | 8d12280 |
15 | 5d8c873 |
hex | 4027ed8 |
67272408 has 96 divisors (see below), whose sum is σ = 210063360. Its totient is φ = 19051200.
The previous prime is 67272397. The next prime is 67272437. The reversal of 67272408 is 80427276.
It is a super-3 number, since 3×672724083 (a number of 24 digits) contains 333 as substring.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63483 + ... + 64533.
It is an arithmetic number, because the mean of its divisors is an integer number (2188160).
Almost surely, 267272408 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 67272408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105031680).
67272408 is an abundant number, since it is smaller than the sum of its proper divisors (142790952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67272408 is a wasteful number, since it uses less digits than its factorization.
67272408 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1197 (or 1190 counting only the distinct ones).
The product of its (nonzero) digits is 37632, while the sum is 36.
The square root of 67272408 is about 8201.9758595109. The cubic root of 67272408 is about 406.7045125876.
The spelling of 67272408 in words is "sixty-seven million, two hundred seventy-two thousand, four hundred eight".
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