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422100030 = 235114312
BaseRepresentation
bin11001001010001…
…011110000111110
31002102020220101110
4121022023300332
51331024200110
6105515022450
713313535222
oct3112136076
91072226343
10422100030
111a72a0000
12b943aa26
13695ab841
14400b8782
15270cba20
hex1928bc3e

422100030 has 120 divisors (see below), whose sum is σ = 1151443080. Its totient is φ = 99026400.

The previous prime is 422100023. The next prime is 422100031. The reversal of 422100030 is 30001224.

It is a junction number, because it is equal to n+sod(n) for n = 422099979 and 422100015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422100031) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 13616115 + ... + 13616145.

It is an arithmetic number, because the mean of its divisors is an integer number (9595359).

Almost surely, 2422100030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422100030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (575721540).

422100030 is an abundant number, since it is smaller than the sum of its proper divisors (729343050).

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

422100030 is an equidigital number, since it uses as much as digits as its factorization.

422100030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 52 counting only the distinct ones).

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

The square root of 422100030 is about 20545.0731320188. The cubic root of 422100030 is about 750.1333274081.

Adding to 422100030 its reverse (30001224), we get a palindrome (452101254).

The spelling of 422100030 in words is "four hundred twenty-two million, one hundred thousand, thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 31 33 55 62 66 93 110 121 155 165 186 242 310 330 341 363 465 605 682 726 930 961 1023 1210 1331 1705 1815 1922 2046 2662 2883 3410 3630 3751 3993 4805 5115 5766 6655 7502 7986 9610 10230 10571 11253 13310 14415 14641 18755 19965 21142 22506 28830 29282 31713 37510 39930 41261 43923 52855 56265 63426 73205 82522 87846 105710 112530 116281 123783 146410 158565 206305 219615 232562 247566 317130 348843 412610 439230 453871 581405 618915 697686 907742 1162810 1237830 1279091 1361613 1744215 2269355 2558182 2723226 3488430 3837273 4538710 6395455 6808065 7674546 12790910 13616130 14070001 19186365 28140002 38372730 42210003 70350005 84420006 140700010 211050015 422100030