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302230142 = 2793315779
BaseRepresentation
bin10010000000111…
…010101001111110
3210001200212210222
4102000322221332
51104332331032
645553501342
710326625304
oct2200725176
9701625728
10302230142
11145667a85
1285271852
134a7cbc06
142c1d4274
151b7eea12
hex1203aa7e

302230142 has 16 divisors (see below), whose sum is σ = 460550400. Its totient is φ = 148725720.

The previous prime is 302230127. The next prime is 302230157. The reversal of 302230142 is 241032203.

It is an interprime number because it is at equal distance from previous prime (302230127) and next prime (302230157).

It is a self number, because there is not a number n which added to its sum of digits gives 302230142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49409 + ... + 55187.

It is an arithmetic number, because the mean of its divisors is an integer number (28784400).

Almost surely, 2302230142 is an apocalyptic number.

302230142 is a deficient number, since it is larger than the sum of its proper divisors (158320258).

302230142 is a wasteful number, since it uses less digits than its factorization.

302230142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6191.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 302230142 is about 17384.7675279251. The cubic root of 302230142 is about 671.0876682547.

Adding to 302230142 its reverse (241032203), we get a palindrome (543262345).

The spelling of 302230142 in words is "three hundred two million, two hundred thirty thousand, one hundred forty-two".

Divisors: 1 2 79 158 331 662 5779 11558 26149 52298 456541 913082 1912849 3825698 151115071 302230142