Base | Representation |
---|---|
bin | 101100100000100… |
… | …1101001000001110 |
3 | 10212002021001120122 |
4 | 1121001031020032 |
5 | 11024313110032 |
6 | 404110344542 |
7 | 52003303556 |
oct | 13101151016 |
9 | 3762231518 |
10 | 1493488142 |
11 | 6a7042823 |
12 | 3581bb152 |
13 | 1aa5522c3 |
14 | 1024ca166 |
15 | 8b1b0012 |
hex | 5904d20e |
1493488142 has 4 divisors (see below), whose sum is σ = 2240232216. Its totient is φ = 746744070.
The previous prime is 1493488079. The next prime is 1493488151. The reversal of 1493488142 is 2418843941.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2418843941 = 3407 ⋅709963.
It is a super-2 number, since 2×14934881422 = 4461013660589224328, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1493488093 and 1493488102.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373372034 + ... + 373372037.
It is an arithmetic number, because the mean of its divisors is an integer number (560058054).
Almost surely, 21493488142 is an apocalyptic number.
1493488142 is a deficient number, since it is larger than the sum of its proper divisors (746744074).
1493488142 is an equidigital number, since it uses as much as digits as its factorization.
1493488142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 746744073.
The product of its digits is 221184, while the sum is 44.
The square root of 1493488142 is about 38645.6742986845. The cubic root of 1493488142 is about 1143.0553471014.
The spelling of 1493488142 in words is "one billion, four hundred ninety-three million, four hundred eighty-eight thousand, one hundred forty-two".
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