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202320230 = 25717273137
BaseRepresentation
bin11000000111100…
…10100101100110
3112002200221011212
430003302211212
5403243221410
632024231422
75004456620
oct1403624546
9462627155
10202320230
11a4228202
125790b572
1332bba418
141cc27c10
1512b66b05
hexc0f2966

202320230 has 96 divisors (see below), whose sum is σ = 451452096. Its totient is φ = 63922176.

The previous prime is 202320197. The next prime is 202320253. The reversal of 202320230 is 32023202.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1476722 + ... + 1476858.

It is an arithmetic number, because the mean of its divisors is an integer number (4702626).

Almost surely, 2202320230 is an apocalyptic number.

202320230 is an abundant number, since it is smaller than the sum of its proper divisors (249131866).

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

202320230 is a wasteful number, since it uses less digits than its factorization.

202320230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258 (or 241 counting only the distinct ones).

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

The square root of 202320230 is about 14223.9315943237. The cubic root of 202320230 is about 587.0563229362.

Adding to 202320230 its reverse (32023202), we get a palindrome (234343432).

The spelling of 202320230 in words is "two hundred two million, three hundred twenty thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 17 34 35 70 73 85 119 137 146 170 238 274 289 365 511 578 595 685 730 959 1022 1190 1241 1370 1445 1918 2023 2329 2482 2555 2890 4046 4658 4795 5110 6205 8687 9590 10001 10115 11645 12410 16303 17374 20002 20230 21097 23290 32606 39593 42194 43435 50005 70007 79186 81515 86870 100010 105485 140014 147679 163030 170017 197965 210970 277151 295358 340034 350035 395930 554302 700070 738395 850085 1190119 1385755 1476790 1700170 2380238 2771510 2890289 5780578 5950595 11901190 14451445 20232023 28902890 40464046 101160115 202320230