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30430050 = 2352773397
BaseRepresentation
bin111010000010…
…1001101100010
32010021000011220
41310011031202
530242230200
63004115510
7516436230
oct164051542
963230156
1030430050
11161a4602
12a235b96
1363c5961
144081950
152a114a0
hex1d05362

30430050 has 96 divisors (see below), whose sum is σ = 87649152. Its totient is φ = 6842880.

The previous prime is 30430027. The next prime is 30430061. The reversal of 30430050 is 5003403.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 76452 + ... + 76848.

It is an arithmetic number, because the mean of its divisors is an integer number (913012).

Almost surely, 230430050 is an apocalyptic number.

30430050 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30430050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43824576).

30430050 is an abundant number, since it is smaller than the sum of its proper divisors (57219102).

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

30430050 is a wasteful number, since it uses less digits than its factorization.

30430050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492 (or 487 counting only the distinct ones).

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

The square root of 30430050 is about 5516.3438979092. The cubic root of 30430050 is about 312.2009512481.

Adding to 30430050 its reverse (5003403), we get a palindrome (35433453).

The spelling of 30430050 in words is "thirty million, four hundred thirty thousand, fifty".

Divisors: 1 2 3 5 6 7 10 14 15 21 25 30 35 42 50 70 73 75 105 146 150 175 210 219 350 365 397 438 511 525 730 794 1022 1050 1095 1191 1533 1825 1985 2190 2382 2555 2779 3066 3650 3970 5110 5475 5558 5955 7665 8337 9925 10950 11910 12775 13895 15330 16674 19850 25550 27790 28981 29775 38325 41685 57962 59550 69475 76650 83370 86943 138950 144905 173886 202867 208425 289810 405734 416850 434715 608601 724525 869430 1014335 1217202 1449050 2028670 2173575 3043005 4347150 5071675 6086010 10143350 15215025 30430050