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475830 = 232517311
BaseRepresentation
bin1110100001010110110
3220011201100
41310022312
5110211310
614110530
74021155
oct1641266
9804640
10475830
112a5553
121ab446
13138774
14c559c
1595ec0
hex742b6

475830 has 48 divisors (see below), whose sum is σ = 1314144. Its totient is φ = 119040.

The previous prime is 475823. The next prime is 475831. The reversal of 475830 is 38574.

It is a junction number, because it is equal to n+sod(n) for n = 475794 and 475803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475831) by changing a digit.

475830 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1375 + ... + 1685.

It is an arithmetic number, because the mean of its divisors is an integer number (27378).

2475830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 475830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (657072).

475830 is an abundant number, since it is smaller than the sum of its proper divisors (838314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

475830 is a wasteful number, since it uses less digits than its factorization.

475830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341 (or 338 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 475830 is about 689.8043200793. The cubic root of 475830 is about 78.0699569618.

The spelling of 475830 in words is "four hundred seventy-five thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 17 18 30 34 45 51 85 90 102 153 170 255 306 311 510 622 765 933 1530 1555 1866 2799 3110 4665 5287 5598 9330 10574 13995 15861 26435 27990 31722 47583 52870 79305 95166 158610 237915 475830