Base | Representation |
---|---|
bin | 11000001001011… |
… | …101100100101000 |
3 | 1001020022220211110 |
4 | 120021131210220 |
5 | 1312203233413 |
6 | 104111230320 |
7 | 13016402355 |
oct | 3011354450 |
9 | 1036286743 |
10 | 405133608 |
11 | 198761970 |
12 | b38183a0 |
13 | 65c1b139 |
14 | 3bb3d62c |
15 | 258798c3 |
hex | 1825d928 |
405133608 has 128 divisors (see below), whose sum is σ = 1142968320. Its totient is φ = 118613760.
The previous prime is 405133601. The next prime is 405133621. The reversal of 405133608 is 806331504.
It is not an unprimeable number, because it can be changed into a prime (405133601) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1277866 + ... + 1278182.
It is an arithmetic number, because the mean of its divisors is an integer number (8929440).
Almost surely, 2405133608 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 405133608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (571484160).
405133608 is an abundant number, since it is smaller than the sum of its proper divisors (737834712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
405133608 is a wasteful number, since it uses less digits than its factorization.
405133608 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 487 (or 483 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 30.
The square root of 405133608 is about 20127.9310412173. The cubic root of 405133608 is about 739.9449727770.
The spelling of 405133608 in words is "four hundred five million, one hundred thirty-three thousand, six hundred eight".
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