Base | Representation |
---|---|
bin | 1100001110010… |
… | …10110101011010 |
3 | 21010221201010010 |
4 | 12013022311122 |
5 | 202222331212 |
6 | 14101502350 |
7 | 2353412154 |
oct | 607126532 |
9 | 233851103 |
10 | 102542682 |
11 | 52978920 |
12 | 2a4119b6 |
13 | 18323c58 |
14 | d893ad4 |
15 | 900803c |
hex | 61cad5a |
102542682 has 32 divisors (see below), whose sum is σ = 226437120. Its totient is φ = 30697520.
The previous prime is 102542653. The next prime is 102542683. The reversal of 102542682 is 286245201.
It is not an unprimeable number, because it can be changed into a prime (102542683) 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, 3882 + ... + 14837.
It is an arithmetic number, because the mean of its divisors is an integer number (7076160).
Almost surely, 2102542682 is an apocalyptic number.
102542682 is an abundant number, since it is smaller than the sum of its proper divisors (123894438).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102542682 is a wasteful number, since it uses less digits than its factorization.
102542682 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18818.
The product of its (nonzero) digits is 7680, while the sum is 30.
The square root of 102542682 is about 10126.3360599972. The cubic root of 102542682 is about 468.0600313818.
Adding to 102542682 its reverse (286245201), we get a palindrome (388787883).
The spelling of 102542682 in words is "one hundred two million, five hundred forty-two thousand, six hundred eighty-two".
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