Base | Representation |
---|---|
bin | 1100001011011… |
… | …01010101110100 |
3 | 21010020020210210 |
4 | 12011231111310 |
5 | 202123102412 |
6 | 14045345420 |
7 | 2350225533 |
oct | 605552564 |
9 | 233206723 |
10 | 102159732 |
11 | 52737134 |
12 | 2a268270 |
13 | 1821b85c |
14 | d7d431a |
15 | 8e7e83c |
hex | 616d574 |
102159732 has 48 divisors (see below), whose sum is σ = 265688640. Its totient is φ = 30362112.
The previous prime is 102159731. The next prime is 102159773. The reversal of 102159732 is 237951201.
It is a super-2 number, since 2×1021597322 = 20873221684623648, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 102159732.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102159731) 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, 9303 + ... + 17054.
It is an arithmetic number, because the mean of its divisors is an integer number (5535180).
Almost surely, 2102159732 is an apocalyptic number.
102159732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
102159732 is an abundant number, since it is smaller than the sum of its proper divisors (163528908).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102159732 is a wasteful number, since it uses less digits than its factorization.
102159732 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26400 (or 26398 counting only the distinct ones).
The product of its (nonzero) digits is 3780, while the sum is 30.
The square root of 102159732 is about 10107.4097572029. The cubic root of 102159732 is about 467.4766411923.
The spelling of 102159732 in words is "one hundred two million, one hundred fifty-nine thousand, seven hundred thirty-two".
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