Base | Representation |
---|---|
bin | 1000001010010… |
… | …00101111010000 |
3 | 11202210220010022 |
4 | 10011020233100 |
5 | 120011033001 |
6 | 10443123012 |
7 | 1460601233 |
oct | 405105720 |
9 | 152726108 |
10 | 68455376 |
11 | 357065a0 |
12 | 1ab13468 |
13 | 1124a752 |
14 | 913d41a |
15 | 602311b |
hex | 4148bd0 |
68455376 has 40 divisors (see below), whose sum is σ = 146160288. Its totient is φ = 30800000.
The previous prime is 68455369. The next prime is 68455421. The reversal of 68455376 is 67355486.
It is a super-2 number, since 2×684553762 = 9372277006602752, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (44).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15851 + ... + 19701.
Almost surely, 268455376 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 68455376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73080144).
68455376 is an abundant number, since it is smaller than the sum of its proper divisors (77704912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68455376 is a wasteful number, since it uses less digits than its factorization.
68455376 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3971 (or 3965 counting only the distinct ones).
The product of its digits is 604800, while the sum is 44.
The square root of 68455376 is about 8273.7764050039. The cubic root of 68455376 is about 409.0746053450.
It can be divided in two parts, 6845 and 5376, that added together give a palindrome (12221).
The spelling of 68455376 in words is "sixty-eight million, four hundred fifty-five thousand, three hundred seventy-six".
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