Base | Representation |
---|---|
bin | 111101011110100… |
… | …000110001100100 |
3 | 2122212202222210201 |
4 | 331132200301210 |
5 | 4103020034430 |
6 | 250202400244 |
7 | 34362554365 |
oct | 7536406144 |
9 | 2585688721 |
10 | 1031408740 |
11 | 48a22671a |
12 | 249500084 |
13 | 1358b643b |
14 | 9ada5b6c |
15 | 608378ca |
hex | 3d7a0c64 |
1031408740 has 48 divisors (see below), whose sum is σ = 2214233280. Its totient is φ = 403447680.
The previous prime is 1031408737. The next prime is 1031408761. The reversal of 1031408740 is 478041301.
1031408740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 1031408699 and 1031408708.
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, 216019 + ... + 220741.
It is an arithmetic number, because the mean of its divisors is an integer number (46129860).
Almost surely, 21031408740 is an apocalyptic number.
1031408740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1031408740 is an abundant number, since it is smaller than the sum of its proper divisors (1182824540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1031408740 is a wasteful number, since it uses less digits than its factorization.
1031408740 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4972 (or 4970 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 28.
The square root of 1031408740 is about 32115.5529300057. The cubic root of 1031408740 is about 1010.3618414002.
The spelling of 1031408740 in words is "one billion, thirty-one million, four hundred eight thousand, seven hundred forty".
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