Base | Representation |
---|---|
bin | 11011101101000… |
… | …11000111011100 |
3 | 121012022022120002 |
4 | 31312203013130 |
5 | 433443402140 |
6 | 35021113432 |
7 | 5521252664 |
oct | 1566430734 |
9 | 535268502 |
10 | 232403420 |
11 | 10a205147 |
12 | 659b8878 |
13 | 391c1222 |
14 | 22c191a4 |
15 | 1560a415 |
hex | dda31dc |
232403420 has 12 divisors (see below), whose sum is σ = 488047224. Its totient is φ = 92961360.
The previous prime is 232403417. The next prime is 232403429. The reversal of 232403420 is 24304232.
It is a super-2 number, since 2×2324034202 = 108022699255392800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 11620171 = 232403420 / (2 + 3 + 2 + 4 + 0 + 3 + 4 + 2 + 0).
It is a junction number, because it is equal to n+sod(n) for n = 232403392 and 232403401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (232403429) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5810066 + ... + 5810105.
It is an arithmetic number, because the mean of its divisors is an integer number (40670602).
Almost surely, 2232403420 is an apocalyptic number.
232403420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
232403420 is an abundant number, since it is smaller than the sum of its proper divisors (255643804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
232403420 is a wasteful number, since it uses less digits than its factorization.
232403420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11620180 (or 11620178 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 20.
The square root of 232403420 is about 15244.7833700581. The cubic root of 232403420 is about 614.8193181079.
Adding to 232403420 its reverse (24304232), we get a palindrome (256707652).
The spelling of 232403420 in words is "two hundred thirty-two million, four hundred three thousand, four hundred twenty".
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