Base | Representation |
---|---|
bin | 10111101000111… |
… | …01101011011110 |
3 | 111211010210210110 |
4 | 23310131223132 |
5 | 401231134210 |
6 | 31402150450 |
7 | 4625354124 |
oct | 1364355336 |
9 | 454123713 |
10 | 198302430 |
11 | a1a33607 |
12 | 564b2426 |
13 | 32111721 |
14 | 1c49d914 |
15 | 12621420 |
hex | bd1dade |
198302430 has 32 divisors (see below), whose sum is σ = 500976000. Its totient is φ = 50097312.
The previous prime is 198302393. The next prime is 198302441. The reversal of 198302430 is 34203891.
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 15 ways as a sum of consecutive naturals, for example, 173380 + ... + 174519.
It is an arithmetic number, because the mean of its divisors is an integer number (15655500).
Almost surely, 2198302430 is an apocalyptic number.
198302430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
198302430 is an abundant number, since it is smaller than the sum of its proper divisors (302673570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
198302430 is a wasteful number, since it uses less digits than its factorization.
198302430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 347928.
The product of its (nonzero) digits is 5184, while the sum is 30.
The square root of 198302430 is about 14081.9895611380. The cubic root of 198302430 is about 583.1442692506.
The spelling of 198302430 in words is "one hundred ninety-eight million, three hundred two thousand, four hundred thirty".
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