Base | Representation |
---|---|
bin | 11101011010110… |
… | …101100001001100 |
3 | 1021101202011112200 |
4 | 131122311201030 |
5 | 2002323333340 |
6 | 120551001500 |
7 | 15142211616 |
oct | 3532654114 |
9 | 1241664480 |
10 | 493574220 |
11 | 233678687 |
12 | 119369290 |
13 | 7b345369 |
14 | 497a1db6 |
15 | 2d4e9330 |
hex | 1d6b584c |
493574220 has 72 divisors (see below), whose sum is σ = 1501163664. Its totient is φ = 131269248.
The previous prime is 493574183. The next prime is 493574239. The reversal of 493574220 is 22475394.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68007 + ... + 74913.
Almost surely, 2493574220 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 493574220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (750581832).
493574220 is an abundant number, since it is smaller than the sum of its proper divisors (1007589444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
493574220 is a wasteful number, since it uses less digits than its factorization.
493574220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7319 (or 7314 counting only the distinct ones).
The product of its (nonzero) digits is 60480, while the sum is 36.
The square root of 493574220 is about 22216.5303321648. The cubic root of 493574220 is about 790.2857589312.
The spelling of 493574220 in words is "four hundred ninety-three million, five hundred seventy-four thousand, two hundred twenty".
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