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232510530 = 23571765129
BaseRepresentation
bin11011101101111…
…01010001000010
3121012111202111010
431312331101002
5434010314110
635023301350
75522210160
oct1566752102
9535452433
10232510530
1110a27866a
1265a4a856
133922abc5
1422c46230
151562c020
hexddbd442

232510530 has 64 divisors (see below), whose sum is σ = 675267840. Its totient is φ = 50018304.

The previous prime is 232510529. The next prime is 232510561. The reversal of 232510530 is 35015232.

It is a super-2 number, since 2×2325105302 = 108122293121761800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 232510497 and 232510506.

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, 28995 + ... + 36134.

It is an arithmetic number, because the mean of its divisors is an integer number (10551060).

Almost surely, 2232510530 is an apocalyptic number.

232510530 is an abundant number, since it is smaller than the sum of its proper divisors (442757310).

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

232510530 is a wasteful number, since it uses less digits than its factorization.

232510530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65163.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 232510530 is about 15248.2959703699. The cubic root of 232510530 is about 614.9137561659.

Adding to 232510530 its reverse (35015232), we get a palindrome (267525762).

The spelling of 232510530 in words is "two hundred thirty-two million, five hundred ten thousand, five hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 17 21 30 34 35 42 51 70 85 102 105 119 170 210 238 255 357 510 595 714 1190 1785 3570 65129 130258 195387 325645 390774 455903 651290 911806 976935 1107193 1367709 1953870 2214386 2279515 2735418 3321579 4559030 5535965 6643158 6838545 7750351 11071930 13677090 15500702 16607895 23251053 33215790 38751755 46502106 77503510 116255265 232510530