Base | Representation |
---|---|
bin | 1000001100101… |
… | …10100011100000 |
3 | 11210102002100100 |
4 | 10012112203200 |
5 | 120101232422 |
6 | 10454022400 |
7 | 1463366421 |
oct | 406264340 |
9 | 153362310 |
10 | 68774112 |
11 | 35904010 |
12 | 1b047a00 |
13 | 1132c854 |
14 | 91c3648 |
15 | 60877ac |
hex | 41968e0 |
68774112 has 144 divisors (see below), whose sum is σ = 226083312. Its totient is φ = 19599360.
The previous prime is 68774099. The next prime is 68774131. The reversal of 68774112 is 21147786.
It is a tau number, because it is divible by the number of its divisors (144).
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, 53218 + ... + 54494.
It is an arithmetic number, because the mean of its divisors is an integer number (1570023).
Almost surely, 268774112 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 68774112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113041656).
68774112 is an abundant number, since it is smaller than the sum of its proper divisors (157309200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68774112 is a wasteful number, since it uses less digits than its factorization.
68774112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1321 (or 1310 counting only the distinct ones).
The product of its digits is 18816, while the sum is 36.
The square root of 68774112 is about 8293.0158567315. The cubic root of 68774112 is about 409.7085217619.
It can be divided in two parts, 68774 and 112, that added together give a palindrome (68886).
The spelling of 68774112 in words is "sixty-eight million, seven hundred seventy-four thousand, one hundred twelve".
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