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302430030 = 23571975797
BaseRepresentation
bin10010000001101…
…011011101001110
3210002002001000020
4102001223131032
51104410230110
650002043010
710331420130
oct2201533516
9702061006
10302430030
11145794181
1285349466
134a86bba6
142c247050
151b83dd70
hex1206b74e

302430030 has 64 divisors (see below), whose sum is σ = 873192960. Its totient is φ = 65487744.

The previous prime is 302430019. The next prime is 302430041. The reversal of 302430030 is 30034203.

It is an interprime number because it is at equal distance from previous prime (302430019) and next prime (302430041).

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 = 302429991 and 302430009.

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, 33909 + ... + 41888.

It is an arithmetic number, because the mean of its divisors is an integer number (13643640).

Almost surely, 2302430030 is an apocalyptic number.

302430030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

302430030 is an abundant number, since it is smaller than the sum of its proper divisors (570762930).

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

302430030 is a wasteful number, since it uses less digits than its factorization.

302430030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75833.

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 302430030 is about 17390.5155185233. The cubic root of 302430030 is about 671.2355829188.

Adding to 302430030 its reverse (30034203), we get a palindrome (332464233).

The spelling of 302430030 in words is "three hundred two million, four hundred thirty thousand, thirty".

Divisors: 1 2 3 5 6 7 10 14 15 19 21 30 35 38 42 57 70 95 105 114 133 190 210 266 285 399 570 665 798 1330 1995 3990 75797 151594 227391 378985 454782 530579 757970 1061158 1136955 1440143 1591737 2273910 2652895 2880286 3183474 4320429 5305790 7200715 7958685 8640858 10081001 14401430 15917370 20162002 21602145 30243003 43204290 50405005 60486006 100810010 151215015 302430030