Base | Representation |
---|---|
bin | 101010101001011… |
… | …0010101001110110 |
3 | 10200201122210110112 |
4 | 1111102302221312 |
5 | 10412313130210 |
6 | 353555023022 |
7 | 50314131563 |
oct | 12522625166 |
9 | 3621583415 |
10 | 1430989430 |
11 | 6748355a2 |
12 | 33b29aa72 |
13 | 19a60bc10 |
14 | d809b86a |
15 | 85966d05 |
hex | 554b2a76 |
1430989430 has 32 divisors (see below), whose sum is σ = 2848898304. Its totient is φ = 514083456.
The previous prime is 1430989411. The next prime is 1430989447. The reversal of 1430989430 is 349890341.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143942 + ... + 153561.
It is an arithmetic number, because the mean of its divisors is an integer number (89028072).
Almost surely, 21430989430 is an apocalyptic number.
1430989430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1430989430 is a deficient number, since it is larger than the sum of its proper divisors (1417908874).
1430989430 is a wasteful number, since it uses less digits than its factorization.
1430989430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 297560.
The product of its (nonzero) digits is 93312, while the sum is 41.
The square root of 1430989430 is about 37828.4209292431. The cubic root of 1430989430 is about 1126.8829517004.
The spelling of 1430989430 in words is "one billion, four hundred thirty million, nine hundred eighty-nine thousand, four hundred thirty".
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