Base | Representation |
---|---|
bin | 111101011110100… |
… | …110111100100100 |
3 | 2122212211021111000 |
4 | 331132212330210 |
5 | 4103021342040 |
6 | 250203113300 |
7 | 34363021161 |
oct | 7536467444 |
9 | 2585737430 |
10 | 1031434020 |
11 | 48a243711 |
12 | 249512830 |
13 | 1358c4ab6 |
14 | 9adb1068 |
15 | 60840130 |
hex | 3d7a6f24 |
1031434020 has 48 divisors (see below), whose sum is σ = 3208907520. Its totient is φ = 275048928.
The previous prime is 1031434003. The next prime is 1031434031. The reversal of 1031434020 is 204341301.
1031434020 is a `hidden beast` number, since 10 + 314 + 340 + 2 + 0 = 666.
It is a super-2 number, since 2×10314340202 = 2127712275226720800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 1031433984 and 1031434002.
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, 954492 + ... + 955571.
It is an arithmetic number, because the mean of its divisors is an integer number (66852240).
Almost surely, 21031434020 is an apocalyptic number.
1031434020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1031434020 is an abundant number, since it is smaller than the sum of its proper divisors (2177473500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1031434020 is a wasteful number, since it uses less digits than its factorization.
1031434020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1910081 (or 1910073 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 1031434020 is about 32115.9465063697. The cubic root of 1031434020 is about 1010.3700960451.
Adding to 1031434020 its reverse (204341301), we get a palindrome (1235775321).
The spelling of 1031434020 in words is "one billion, thirty-one million, four hundred thirty-four thousand, twenty".
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