Base | Representation |
---|---|
bin | 10111000111100… |
… | …11111110010000 |
3 | 111111221000221211 |
4 | 23203303332100 |
5 | 344121443141 |
6 | 31124425504 |
7 | 4543303600 |
oct | 1343637620 |
9 | 444830854 |
10 | 193937296 |
11 | 9a521a63 |
12 | 54b48294 |
13 | 312438c7 |
14 | 1ba84c00 |
15 | 1205cd81 |
hex | b8f3f90 |
193937296 has 30 divisors (see below), whose sum is σ = 437102790. Its totient is φ = 83115648.
The previous prime is 193937287. The next prime is 193937299. The reversal of 193937296 is 692739391.
It can be written as a sum of positive squares in only one way, i.e., 103306896 + 90630400 = 10164^2 + 9520^2 .
It is a super-2 number, since 2×1939372962 = 75223349559583232, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (49).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (193937299) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122901 + ... + 124468.
It is an arithmetic number, because the mean of its divisors is an integer number (14570093).
Almost surely, 2193937296 is an apocalyptic number.
193937296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
193937296 is an abundant number, since it is smaller than the sum of its proper divisors (243165494).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
193937296 is a wasteful number, since it uses less digits than its factorization.
193937296 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 247391 (or 247378 counting only the distinct ones).
The product of its digits is 551124, while the sum is 49.
The square root of 193937296 is about 13926.1371528504. The cubic root of 193937296 is about 578.8336609027.
The spelling of 193937296 in words is "one hundred ninety-three million, nine hundred thirty-seven thousand, two hundred ninety-six".
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