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50430030 = 23572353197
BaseRepresentation
bin1100000001100…
…0000001001110
310111220002222220
43000120001032
5100402230110
65000520210
71151435220
oct300300116
9114802886
1050430030
1126514912
1214a80066
13a5a9071
1469aa410
154662370
hex301804e

50430030 has 128 divisors (see below), whose sum is σ = 147806208. Its totient is φ = 10762752.

The previous prime is 50430011. The next prime is 50430031. The reversal of 50430030 is 3003405.

50430030 = T401 + T402 + ... + T715.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 50429991 and 50430009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50430031) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 255892 + ... + 256088.

It is an arithmetic number, because the mean of its divisors is an integer number (1154736).

Almost surely, 250430030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50430030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73903104).

50430030 is an abundant number, since it is smaller than the sum of its proper divisors (97376178).

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

50430030 is a wasteful number, since it uses less digits than its factorization.

50430030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290.

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 50430030 is about 7101.4104232892. The cubic root of 50430030 is about 369.4562990817.

Adding to 50430030 its reverse (3003405), we get a palindrome (53433435).

The spelling of 50430030 in words is "fifty million, four hundred thirty thousand, thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 23 30 35 42 46 53 69 70 105 106 115 138 159 161 197 210 230 265 318 322 345 371 394 483 530 591 690 742 795 805 966 985 1113 1182 1219 1379 1590 1610 1855 1970 2226 2415 2438 2758 2955 3657 3710 4137 4531 4830 5565 5910 6095 6895 7314 8274 8533 9062 10441 11130 12190 13593 13790 17066 18285 20685 20882 22655 25599 27186 31323 31717 36570 41370 42665 45310 51198 52205 62646 63434 67965 73087 85330 95151 104410 127995 135930 146174 156615 158585 190302 219261 240143 255990 313230 317170 365435 438522 475755 480286 720429 730870 951510 1096305 1200715 1440858 1681001 2192610 2401430 3362002 3602145 5043003 7204290 8405005 10086006 16810010 25215015 50430030