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230421000 = 2335389863
BaseRepresentation
bin11011011101111…
…11001000001000
3121001120121012010
431232333020020
5432441433000
634510415520
75465355225
oct1556771010
9531517163
10230421000
11109080787
12652015a0
1338978ab4
142286094c
1515367d50
hexdbbf208

230421000 has 128 divisors (see below), whose sum is σ = 727833600. Its totient is φ = 60684800.

The previous prime is 230420989. The next prime is 230421007. The reversal of 230421000 is 124032.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (230421007) 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, 266569 + ... + 267431.

It is an arithmetic number, because the mean of its divisors is an integer number (5686200).

Almost surely, 2230421000 is an apocalyptic number.

230421000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230421000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (363916800).

230421000 is an abundant number, since it is smaller than the sum of its proper divisors (497412600).

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

230421000 is a wasteful number, since it uses less digits than its factorization.

230421000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976 (or 962 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 230421000 is about 15179.6245012846. The cubic root of 230421000 is about 613.0661709255.

Adding to 230421000 its reverse (124032), we get a palindrome (230545032).

It can be divided in two parts, 23042 and 1000, that added together give a palindrome (24042).

The spelling of 230421000 in words is "two hundred thirty million, four hundred twenty-one thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 89 100 120 125 150 178 200 250 267 300 356 375 445 500 534 600 712 750 863 890 1000 1068 1335 1500 1726 1780 2136 2225 2589 2670 3000 3452 3560 4315 4450 5178 5340 6675 6904 8630 8900 10356 10680 11125 12945 13350 17260 17800 20712 21575 22250 25890 26700 33375 34520 43150 44500 51780 53400 64725 66750 76807 86300 89000 103560 107875 129450 133500 153614 172600 215750 230421 258900 267000 307228 323625 384035 431500 460842 517800 614456 647250 768070 863000 921684 1152105 1294500 1536140 1843368 1920175 2304210 2589000 3072280 3840350 4608420 5760525 7680700 9216840 9600875 11521050 15361400 19201750 23042100 28802625 38403500 46084200 57605250 76807000 115210500 230421000