Base | Representation |
---|---|
bin | 1000000111100… |
… | …10111001000110 |
3 | 11202011000210010 |
4 | 10003302321012 |
5 | 114413310000 |
6 | 10431411050 |
7 | 1454605131 |
oct | 403627106 |
9 | 152130703 |
10 | 68103750 |
11 | 354963a0 |
12 | 1a983a86 |
13 | 111566a0 |
14 | 908b218 |
15 | 5ea3d50 |
hex | 40f2e46 |
68103750 has 160 divisors (see below), whose sum is σ = 201535488. Its totient is φ = 15120000.
The previous prime is 68103731. The next prime is 68103773. The reversal of 68103750 is 5730186.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 536187 + ... + 536313.
Almost surely, 268103750 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68103750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100767744).
68103750 is an abundant number, since it is smaller than the sum of its proper divisors (133431738).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68103750 is a wasteful number, since it uses less digits than its factorization.
68103750 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 176 (or 161 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 30.
The square root of 68103750 is about 8252.4996213269. The cubic root of 68103750 is about 408.3729888832.
The spelling of 68103750 in words is "sixty-eight million, one hundred three thousand, seven hundred fifty".
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