Base | Representation |
---|---|
bin | 11000011110100… |
… | …01111110111000 |
3 | 112022100222010000 |
4 | 30033101332320 |
5 | 410031114113 |
6 | 32212553000 |
7 | 5042203521 |
oct | 1417217670 |
9 | 468328100 |
10 | 205332408 |
11 | a59a5306 |
12 | 58922760 |
13 | 33703488 |
14 | 1d3ad848 |
15 | 1305e373 |
hex | c3d1fb8 |
205332408 has 120 divisors (see below), whose sum is σ = 602217000. Its totient is φ = 65359008.
The previous prime is 205332403. The next prime is 205332419. The reversal of 205332408 is 804233502.
It is a super-2 number, since 2×2053324082 = 84322795550156928, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (205332401) by changing a digit.
It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 342493 + ... + 343091.
It is an arithmetic number, because the mean of its divisors is an integer number (5018475).
Almost surely, 2205332408 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 205332408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301108500).
205332408 is an abundant number, since it is smaller than the sum of its proper divisors (396884592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
205332408 is a wasteful number, since it uses less digits than its factorization.
205332408 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 663 (or 627 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
The square root of 205332408 is about 14329.4245522980. The cubic root of 205332408 is about 589.9553810938.
The spelling of 205332408 in words is "two hundred five million, three hundred thirty-two thousand, four hundred eight".
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