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230204030 = 25729151751
BaseRepresentation
bin11011011100010…
…10001001111110
3121001011120120012
431232022021332
5432413012110
634502023222
75463462530
oct1556121176
9531146505
10230204030
11108a42771
1265117b12
1338901104
1422805850
1515323905
hexdb8a27e

230204030 has 64 divisors (see below), whose sum is σ = 493793280. Its totient is φ = 75600000.

The previous prime is 230204011. The next prime is 230204041. The reversal of 230204030 is 30402032.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 230203996 and 230204014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 306155 + ... + 306905.

It is an arithmetic number, because the mean of its divisors is an integer number (7715520).

Almost surely, 2230204030 is an apocalyptic number.

230204030 is an abundant number, since it is smaller than the sum of its proper divisors (263589250).

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

230204030 is a wasteful number, since it uses less digits than its factorization.

230204030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 230204030 is about 15172.4760668785. The cubic root of 230204030 is about 612.8736845062.

Adding to 230204030 its reverse (30402032), we get a palindrome (260606062).

The spelling of 230204030 in words is "two hundred thirty million, two hundred four thousand, thirty".

Divisors: 1 2 5 7 10 14 29 35 58 70 145 151 203 290 302 406 751 755 1015 1057 1502 1510 2030 2114 3755 4379 5257 5285 7510 8758 10514 10570 21779 21895 26285 30653 43558 43790 52570 61306 108895 113401 152453 153265 217790 226802 304906 306530 567005 762265 793807 1134010 1524530 1587614 3288629 3969035 6577258 7938070 16443145 23020403 32886290 46040806 115102015 230204030