Base | Representation |
---|---|
bin | 101010101000000… |
… | …1111111101100010 |
3 | 10200200101221100111 |
4 | 1111100033331202 |
5 | 10412130314132 |
6 | 353532441534 |
7 | 50305355011 |
oct | 12520177542 |
9 | 3620357314 |
10 | 1430323042 |
11 | 67441a965 |
12 | 33b0192aa |
13 | 19a4377c5 |
14 | d7d66a78 |
15 | 85884647 |
hex | 5540ff62 |
1430323042 has 4 divisors (see below), whose sum is σ = 2145484566. Its totient is φ = 715161520.
The previous prime is 1430323003. The next prime is 1430323051. The reversal of 1430323042 is 2403230341.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2403230341 = 461 ⋅5213081.
It can be written as a sum of positive squares in only one way, i.e., 1413684801 + 16638241 = 37599^2 + 4079^2 .
It is a super-2 number, since 2×14303230422 = 4091648008952267528, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357580759 + ... + 357580762.
Almost surely, 21430323042 is an apocalyptic number.
1430323042 is a deficient number, since it is larger than the sum of its proper divisors (715161524).
1430323042 is an equidigital number, since it uses as much as digits as its factorization.
1430323042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 715161523.
The product of its (nonzero) digits is 1728, while the sum is 22.
The square root of 1430323042 is about 37819.6118700338. The cubic root of 1430323042 is about 1126.7080009850.
Adding to 1430323042 its reverse (2403230341), we get a palindrome (3833553383).
The spelling of 1430323042 in words is "one billion, four hundred thirty million, three hundred twenty-three thousand, forty-two".
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