Base | Representation |
---|---|
bin | 1100001100000… |
… | …00111110000010 |
3 | 21010101100002111 |
4 | 12012000332002 |
5 | 202133141010 |
6 | 14051205534 |
7 | 2351012116 |
oct | 606007602 |
9 | 233340074 |
10 | 102240130 |
11 | 52791583 |
12 | 2a2a68aa |
13 | 18249325 |
14 | d815746 |
15 | 8e9858a |
hex | 6180f82 |
102240130 has 8 divisors (see below), whose sum is σ = 184032252. Its totient is φ = 40896048.
The previous prime is 102240113. The next prime is 102240133. The reversal of 102240130 is 31042201.
It can be written as a sum of positive squares in 2 ways, for example, as 89359209 + 12880921 = 9453^2 + 3589^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 102240130.
It is not an unprimeable number, because it can be changed into a prime (102240133) 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, 5111997 + ... + 5112016.
Almost surely, 2102240130 is an apocalyptic number.
102240130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
102240130 is a deficient number, since it is larger than the sum of its proper divisors (81792122).
102240130 is a wasteful number, since it uses less digits than its factorization.
102240130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10224020.
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 102240130 is about 10111.3861562102. The cubic root of 102240130 is about 467.5992411352.
Adding to 102240130 its reverse (31042201), we get a palindrome (133282331).
The spelling of 102240130 in words is "one hundred two million, two hundred forty thousand, one hundred thirty".
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