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302140310 = 25229131939
BaseRepresentation
bin10010000000100…
…100101110010110
3210001112022120212
4102000210232112
51104321442220
645551525422
710326102353
oct2200445626
9701468525
10302140310
1114560653a
1285229872
134a79a064
142c1ad62a
151b7d30c5
hex12024b96

302140310 has 16 divisors (see below), whose sum is σ = 546231600. Its totient is φ = 120327456.

The previous prime is 302140301. The next prime is 302140313. The reversal of 302140310 is 13041203.

It is a super-2 number, since 2×3021403102 = 182577533853792200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302140313) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 63680 + ... + 68259.

It is an arithmetic number, because the mean of its divisors is an integer number (34139475).

Almost surely, 2302140310 is an apocalyptic number.

302140310 is a deficient number, since it is larger than the sum of its proper divisors (244091290).

302140310 is a wasteful number, since it uses less digits than its factorization.

302140310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132175.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 302140310 is about 17382.1836948066. The cubic root of 302140310 is about 671.0211724370.

Adding to 302140310 its reverse (13041203), we get a palindrome (315181513).

The spelling of 302140310 in words is "three hundred two million, one hundred forty thousand, three hundred ten".

Divisors: 1 2 5 10 229 458 1145 2290 131939 263878 659695 1319390 30214031 60428062 151070155 302140310