Base | Representation |
---|---|
bin | 1111100011001… |
… | …11110000110110 |
3 | 100002110110121122 |
4 | 13301213300312 |
5 | 231343322223 |
6 | 20535543542 |
7 | 3142536101 |
oct | 761476066 |
9 | 302413548 |
10 | 130448438 |
11 | 676a892a |
12 | 3782abb2 |
13 | 21044933 |
14 | 13479738 |
15 | b6bb5c8 |
hex | 7c67c36 |
130448438 has 16 divisors (see below), whose sum is σ = 202916880. Its totient is φ = 62820576.
The previous prime is 130448407. The next prime is 130448449. The reversal of 130448438 is 834844031.
It is a junction number, because it is equal to n+sod(n) for n = 130448398 and 130448407.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23156 + ... + 28232.
It is an arithmetic number, because the mean of its divisors is an integer number (12682305).
Almost surely, 2130448438 is an apocalyptic number.
130448438 is a deficient number, since it is larger than the sum of its proper divisors (72468442).
130448438 is a wasteful number, since it uses less digits than its factorization.
130448438 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5551.
The product of its (nonzero) digits is 36864, while the sum is 35.
The square root of 130448438 is about 11421.4026283990. The cubic root of 130448438 is about 507.1615195483.
The spelling of 130448438 in words is "one hundred thirty million, four hundred forty-eight thousand, four hundred thirty-eight".
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