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475000230 = 235176411453
BaseRepresentation
bin11100010011111…
…110110110100110
31020002210111211010
4130103332312212
51433100001410
6115044523050
714525302215
oct3423766646
91202714733
10475000230
11224141781
121130b0486
1377541033
144712907c
152ba7ac20
hex1c4feda6

475000230 has 64 divisors (see below), whose sum is σ = 1209774528. Its totient is φ = 118947840.

The previous prime is 475000217. The next prime is 475000237. The reversal of 475000230 is 32000574.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 475000197 and 475000206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475000237) 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, 326184 + ... + 327636.

It is an arithmetic number, because the mean of its divisors is an integer number (18902727).

Almost surely, 2475000230 is an apocalyptic number.

It is a pronic number, being equal to 21794×21795.

It is a practical number, because each smaller number is the sum of distinct divisors of 475000230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (604887264).

475000230 is an abundant number, since it is smaller than the sum of its proper divisors (734774298).

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

475000230 is a wasteful number, since it uses less digits than its factorization.

475000230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 475000230 is about 21794.4999942646. The cubic root of 475000230 is about 780.2455012883.

The spelling of 475000230 in words is "four hundred seventy-five million, two hundred thirty", and thus it is an aban number.

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 641 1282 1453 1923 2906 3205 3846 4359 6410 7265 8718 9615 10897 14530 19230 21794 21795 24701 32691 43590 49402 54485 65382 74103 108970 123505 148206 163455 247010 326910 370515 741030 931373 1862746 2794119 4656865 5588238 9313730 13970595 15833341 27941190 31666682 47500023 79166705 95000046 158333410 237500115 475000230