Base | Representation |
---|---|
bin | 1011100111011… |
… | …00101010101100 |
3 | 20210100101022220 |
4 | 11303230222230 |
5 | 144421012010 |
6 | 13400235340 |
7 | 2262132624 |
oct | 563545254 |
9 | 223311286 |
10 | 97438380 |
11 | 50001996 |
12 | 2876bb50 |
13 | 17257860 |
14 | cd25884 |
15 | 884a970 |
hex | 5cecaac |
97438380 has 96 divisors (see below), whose sum is σ = 299484864. Its totient is φ = 23522304.
The previous prime is 97438361. The next prime is 97438409. The reversal of 97438380 is 8383479.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40162 + ... + 42518.
It is an arithmetic number, because the mean of its divisors is an integer number (3119634).
Almost surely, 297438380 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 97438380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149742432).
97438380 is an abundant number, since it is smaller than the sum of its proper divisors (202046484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
97438380 is a wasteful number, since it uses less digits than its factorization.
97438380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2435 (or 2433 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 42.
The square root of 97438380 is about 9871.0880859204. The cubic root of 97438380 is about 460.1612226305.
The spelling of 97438380 in words is "ninety-seven million, four hundred thirty-eight thousand, three hundred eighty".
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