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421042230 = 232571739313
BaseRepresentation
bin11001000110001…
…001100000110110
31002100021011100200
4121012021200312
51330241322410
6105440221330
713301541240
oct3106114066
91070234320
10421042230
111a6738294
12b900a846
13692cb21b
143dcc1090
1526e6d3c0
hex19189836

421042230 has 96 divisors (see below), whose sum is σ = 1324724544. Its totient is φ = 90574848.

The previous prime is 421042207. The next prime is 421042249. The reversal of 421042230 is 32240124.

421042230 is a `hidden beast` number, since 4 + 210 + 422 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8947 + ... + 30366.

It is an arithmetic number, because the mean of its divisors is an integer number (13799214).

Almost surely, 2421042230 is an apocalyptic number.

421042230 is an abundant number, since it is smaller than the sum of its proper divisors (903682314).

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

421042230 is a wasteful number, since it uses less digits than its factorization.

421042230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39350 (or 39347 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 421042230 is about 20519.3135850106. The cubic root of 421042230 is about 749.5061815959.

Adding to 421042230 its reverse (32240124), we get a palindrome (453282354).

The spelling of 421042230 in words is "four hundred twenty-one million, forty-two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 9 10 14 15 17 18 21 30 34 35 42 45 51 63 70 85 90 102 105 119 126 153 170 210 238 255 306 315 357 510 595 630 714 765 1071 1190 1530 1785 2142 3570 5355 10710 39313 78626 117939 196565 235878 275191 353817 393130 550382 589695 668321 707634 825573 1179390 1336642 1375955 1651146 1769085 2004963 2476719 2751910 3341605 3538170 4009926 4127865 4678247 4953438 6014889 6683210 8255730 9356494 10024815 12029778 12383595 14034741 20049630 23391235 24767190 28069482 30074445 42104223 46782470 60148890 70173705 84208446 140347410 210521115 421042230