Base | Representation |
---|---|
bin | 10111000010001… |
… | …01101001100100 |
3 | 111110120202111100 |
4 | 23201011221210 |
5 | 343431121033 |
6 | 31101240100 |
7 | 4534241100 |
oct | 1341055144 |
9 | 443522440 |
10 | 193223268 |
11 | 9a084557 |
12 | 54863030 |
13 | 310538c4 |
14 | 1b93a900 |
15 | 11e6b513 |
hex | b845a64 |
193223268 has 54 divisors (see below), whose sum is σ = 568173606. Its totient is φ = 55206144.
The previous prime is 193223267. The next prime is 193223273. The reversal of 193223268 is 862322391.
193223268 is a `hidden beast` number, since 1 + 9 + 322 + 326 + 8 = 666.
It can be written as a sum of positive squares in only one way, i.e., 190937124 + 2286144 = 13818^2 + 1512^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (193223263) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 53005 + ... + 56532.
Almost surely, 2193223268 is an apocalyptic number.
193223268 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
193223268 is an abundant number, since it is smaller than the sum of its proper divisors (374950338).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
193223268 is a wasteful number, since it uses less digits than its factorization.
193223268 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 109561 (or 109549 counting only the distinct ones).
The product of its digits is 31104, while the sum is 36.
The square root of 193223268 is about 13900.4772579937. The cubic root of 193223268 is about 578.1224143366.
It can be divided in two parts, 1932 and 23268, that added together give a triangular number (25200 = T224).
The spelling of 193223268 in words is "one hundred ninety-three million, two hundred twenty-three thousand, two hundred sixty-eight".
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