Base | Representation |
---|---|
bin | 111100001000000… |
… | …000000100101000 |
3 | 2121022002210222111 |
4 | 330020000010220 |
5 | 4031213333113 |
6 | 244032332104 |
7 | 33666031660 |
oct | 7410000450 |
9 | 2538083874 |
10 | 1008730408 |
11 | 4784470a4 |
12 | 2419a4034 |
13 | 130ca5bca |
14 | 97d811a0 |
15 | 5d85813d |
hex | 3c200128 |
1008730408 has 32 divisors (see below), whose sum is σ = 2219990400. Its totient is φ = 420628032.
The previous prime is 1008730319. The next prime is 1008730417. The reversal of 1008730408 is 8040378001.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 1008730408.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241348 + ... + 245491.
It is an arithmetic number, because the mean of its divisors is an integer number (69374700).
Almost surely, 21008730408 is an apocalyptic number.
It is an amenable number.
1008730408 is an abundant number, since it is smaller than the sum of its proper divisors (1211259992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1008730408 is a wasteful number, since it uses less digits than its factorization.
1008730408 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 486889 (or 486885 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 31.
The square root of 1008730408 is about 31760.5164945408. The cubic root of 1008730408 is about 1002.9017079470.
The spelling of 1008730408 in words is "one billion, eight million, seven hundred thirty thousand, four hundred eight".
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