Base | Representation |
---|---|
bin | 1100001110000… |
… | …11101100000000 |
3 | 21010220012221220 |
4 | 12013003230000 |
5 | 202220412113 |
6 | 14101115040 |
7 | 2353230624 |
oct | 607035400 |
9 | 233805856 |
10 | 102513408 |
11 | 52958928 |
12 | 2a3b8a80 |
13 | 1831382a |
14 | d887184 |
15 | 8eee523 |
hex | 61c3b00 |
102513408 has 36 divisors (see below), whose sum is σ = 272837208. Its totient is φ = 34170880.
The previous prime is 102513403. The next prime is 102513409. The reversal of 102513408 is 804315201.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is not an unprimeable number, because it can be changed into a prime (102513403) 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, 65973 + ... + 67508.
Almost surely, 2102513408 is an apocalyptic number.
It is an amenable number.
102513408 is an abundant number, since it is smaller than the sum of its proper divisors (170323800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102513408 is an equidigital number, since it uses as much as digits as its factorization.
102513408 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 133500 (or 133486 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 24.
The square root of 102513408 is about 10124.8905179266. The cubic root of 102513408 is about 468.0154863748.
Adding to 102513408 its reverse (804315201), we get a palindrome (906828609).
The spelling of 102513408 in words is "one hundred two million, five hundred thirteen thousand, four hundred eight".
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