Base | Representation |
---|---|
bin | 111101011111110… |
… | …010001111011110 |
3 | 2122220101221112121 |
4 | 331133302033132 |
5 | 4103111224210 |
6 | 250213453154 |
7 | 34365444265 |
oct | 7537621736 |
9 | 2586357477 |
10 | 1031742430 |
11 | 48a4343a4 |
12 | 2496411ba |
13 | 1359a22a4 |
14 | 9b0515dc |
15 | 608a16da |
hex | 3d7f23de |
1031742430 has 24 divisors (see below), whose sum is σ = 1901553192. Its totient is φ = 402839136.
The previous prime is 1031742401. The next prime is 1031742469. The reversal of 1031742430 is 342471301.
It is a junction number, because it is equal to n+sod(n) for n = 1031742395 and 1031742404.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 665296 + ... + 666844.
It is an arithmetic number, because the mean of its divisors is an integer number (79231383).
Almost surely, 21031742430 is an apocalyptic number.
1031742430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1031742430 is a deficient number, since it is larger than the sum of its proper divisors (869810762).
1031742430 is an frugal number, since it uses more digits than its factorization.
1031742430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3148 (or 1599 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 25.
The square root of 1031742430 is about 32120.7476563046. The cubic root of 1031742430 is about 1010.4707898954.
The spelling of 1031742430 in words is "one billion, thirty-one million, seven hundred forty-two thousand, four hundred thirty".
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