Base | Representation |
---|---|
bin | 1100010001000… |
… | …01011100000000 |
3 | 21011121201201010 |
4 | 12020201130000 |
5 | 202320204113 |
6 | 14113240520 |
7 | 2356420305 |
oct | 610413400 |
9 | 234551633 |
10 | 102897408 |
11 | 530a0389 |
12 | 2a563140 |
13 | 18419553 |
14 | d9470ac |
15 | 90781c3 |
hex | 6221700 |
102897408 has 36 divisors (see below), whose sum is σ = 273859208. Its totient is φ = 34298880.
The previous prime is 102897383. The next prime is 102897427. The reversal of 102897408 is 804798201.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66223 + ... + 67758.
Almost surely, 2102897408 is an apocalyptic number.
It is an amenable number.
102897408 is an abundant number, since it is smaller than the sum of its proper divisors (170961800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102897408 is an equidigital number, since it uses as much as digits as its factorization.
102897408 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 134000 (or 133986 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 39.
The square root of 102897408 is about 10143.8359608188. The cubic root of 102897408 is about 468.5991303982.
The spelling of 102897408 in words is "one hundred two million, eight hundred ninety-seven thousand, four hundred eight".
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