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302105130 = 235171931177
BaseRepresentation
bin10010000000011…
…100001000101010
3210001110112022220
4102000130020222
51104314331010
645551054510
710325564655
oct2200341052
9701415286
10302105130
11145592068
1285211436
134a787042
142c1a089c
151b7c7970
hex1201c22a

302105130 has 64 divisors (see below), whose sum is σ = 808133760. Its totient is φ = 71829504.

The previous prime is 302105129. The next prime is 302105131. The reversal of 302105130 is 31501203.

It is a happy number.

302105130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (302105129) and next prime (302105131).

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

It is not an unprimeable number, because it can be changed into a prime (302105131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5899 + ... + 25278.

It is an arithmetic number, because the mean of its divisors is an integer number (12627090).

Almost surely, 2302105130 is an apocalyptic number.

302105130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

302105130 is an abundant number, since it is smaller than the sum of its proper divisors (506028630).

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

302105130 is a wasteful number, since it uses less digits than its factorization.

302105130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31223.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 302105130 is about 17381.1717096403. The cubic root of 302105130 is about 670.9951277591.

Adding to 302105130 its reverse (31501203), we get a palindrome (333606333).

The spelling of 302105130 in words is "three hundred two million, one hundred five thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 17 19 30 34 38 51 57 85 95 102 114 170 190 255 285 323 510 570 646 969 1615 1938 3230 4845 9690 31177 62354 93531 155885 187062 311770 467655 530009 592363 935310 1060018 1184726 1590027 1777089 2650045 2961815 3180054 3554178 5300090 5923630 7950135 8885445 10070171 15900270 17770890 20140342 30210513 50350855 60421026 100701710 151052565 302105130