Base | Representation |
---|---|
bin | 11011011010011… |
… | …10000000110000 |
3 | 121000201001122010 |
4 | 31231032000300 |
5 | 432332121210 |
6 | 34452442520 |
7 | 5461415361 |
oct | 1555160060 |
9 | 530631563 |
10 | 229957680 |
11 | 108894677 |
12 | 65019440 |
13 | 38845c44 |
14 | 2277db68 |
15 | 152c5920 |
hex | db4e030 |
229957680 has 80 divisors (see below), whose sum is σ = 743880960. Its totient is φ = 58654464.
The previous prime is 229957631. The next prime is 229957681. The reversal of 229957680 is 86759922.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (48).
It is not an unprimeable number, because it can be changed into a prime (229957681) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15310 + ... + 26349.
It is an arithmetic number, because the mean of its divisors is an integer number (9298512).
Almost surely, 2229957680 is an apocalyptic number.
229957680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
229957680 is an abundant number, since it is smaller than the sum of its proper divisors (513923280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
229957680 is a wasteful number, since it uses less digits than its factorization.
229957680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41698 (or 41692 counting only the distinct ones).
The product of its (nonzero) digits is 544320, while the sum is 48.
The square root of 229957680 is about 15164.3555748340. The cubic root of 229957680 is about 612.6549867403.
The spelling of 229957680 in words is "two hundred twenty-nine million, nine hundred fifty-seven thousand, six hundred eighty".
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