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42503230 = 25711172191
BaseRepresentation
bin1010001000100…
…0110000111110
32221222101110201
42202020300332
541340100410
64114554114
71024162060
oct242106076
987871421
1042503230
1121aa0340
121229893a
138a62053
145905730
153ae883a
hex2888c3e

42503230 has 96 divisors (see below), whose sum is σ = 101855232. Its totient is φ = 12403200.

The previous prime is 42503203. The next prime is 42503233. The reversal of 42503230 is 3230524.

42503230 is nontrivially palindromic in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 42503198 and 42503207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42503233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 222435 + ... + 222625.

It is an arithmetic number, because the mean of its divisors is an integer number (1060992).

Almost surely, 242503230 is an apocalyptic number.

42503230 is an abundant number, since it is smaller than the sum of its proper divisors (59352002).

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

42503230 is a wasteful number, since it uses less digits than its factorization.

42503230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 42503230 is about 6519.4501301874. The cubic root of 42503230 is about 348.9854428621.

Adding to 42503230 its reverse (3230524), we get a palindrome (45733754).

The spelling of 42503230 in words is "forty-two million, five hundred three thousand, two hundred thirty".

Divisors: 1 2 5 7 10 11 14 17 22 34 35 55 70 77 85 110 119 154 170 187 191 238 289 374 382 385 578 595 770 935 955 1190 1309 1337 1445 1870 1910 2023 2101 2618 2674 2890 3179 3247 4046 4202 6358 6494 6545 6685 10115 10505 13090 13370 14707 15895 16235 20230 21010 22253 22729 29414 31790 32470 35717 44506 45458 55199 71434 73535 110398 111265 113645 147070 178585 222530 227290 250019 275995 357170 386393 500038 551990 607189 772786 1214378 1250095 1931965 2500190 3035945 3863930 4250323 6071890 8500646 21251615 42503230