Base | Representation |
---|---|
bin | 1100001100111… |
… | …00010100000011 |
3 | 21010121000201200 |
4 | 12012130110003 |
5 | 202200232011 |
6 | 14053432243 |
7 | 2351656500 |
oct | 606342403 |
9 | 233530650 |
10 | 102352131 |
11 | 52858742 |
12 | 2a33b683 |
13 | 182882bb |
14 | d8444a7 |
15 | 8ebb856 |
hex | 619c503 |
102352131 has 18 divisors (see below), whose sum is σ = 171980172. Its totient is φ = 58486680.
The previous prime is 102352099. The next prime is 102352147. The reversal of 102352131 is 131253201.
It is not a de Polignac number, because 102352131 - 25 = 102352099 is a prime.
It is a super-2 number, since 2×1023521312 = 20951917440482322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (102352181) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 115605 + ... + 116486.
It is an arithmetic number, because the mean of its divisors is an integer number (9554454).
Almost surely, 2102352131 is an apocalyptic number.
102352131 is a deficient number, since it is larger than the sum of its proper divisors (69628041).
102352131 is a wasteful number, since it uses less digits than its factorization.
102352131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 232111 (or 232101 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
The square root of 102352131 is about 10116.9230005966. The cubic root of 102352131 is about 467.7699258113.
The spelling of 102352131 in words is "one hundred two million, three hundred fifty-two thousand, one hundred thirty-one".
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