Base | Representation |
---|---|
bin | 1000000001111… |
… | …00000100111100 |
3 | 11200201222121102 |
4 | 10000330010330 |
5 | 114220324230 |
6 | 10403352232 |
7 | 1445336042 |
oct | 400740474 |
9 | 150658542 |
10 | 67354940 |
11 | 35024844 |
12 | 1a682678 |
13 | 10c538c3 |
14 | 8d34392 |
15 | 5da7045 |
hex | 403c13c |
67354940 has 24 divisors (see below), whose sum is σ = 146009472. Its totient is φ = 26072640.
The previous prime is 67354897. The next prime is 67354949. The reversal of 67354940 is 4945376.
It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 67354894 and 67354903.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67354949) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53699 + ... + 54938.
It is an arithmetic number, because the mean of its divisors is an integer number (6083728).
Almost surely, 267354940 is an apocalyptic number.
It is an amenable number.
67354940 is an abundant number, since it is smaller than the sum of its proper divisors (78654532).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67354940 is a wasteful number, since it uses less digits than its factorization.
67354940 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 108677 (or 108675 counting only the distinct ones).
The product of its (nonzero) digits is 90720, while the sum is 38.
The square root of 67354940 is about 8207.0055440459. The cubic root of 67354940 is about 406.8707641039.
The spelling of 67354940 in words is "sixty-seven million, three hundred fifty-four thousand, nine hundred forty".
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