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302042145 = 351719312011
BaseRepresentation
bin10010000000001…
…100110000100001
3210001100022221010
4102000030300201
51104310322040
645545451133
710325213226
oct2200146041
9701308833
10302042145
11145549809
12851a0aa9
134a764482
142c18594d
151b7b3e80
hex1200cc21

302042145 has 64 divisors (see below), whose sum is σ = 556277760. Its totient is φ = 138931200.

The previous prime is 302042113. The next prime is 302042159. The reversal of 302042145 is 541240203.

It is not a de Polignac number, because 302042145 - 25 = 302042113 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 149190 + ... + 151200.

It is an arithmetic number, because the mean of its divisors is an integer number (8691840).

Almost surely, 2302042145 is an apocalyptic number.

It is an amenable number.

302042145 is a deficient number, since it is larger than the sum of its proper divisors (254235615).

302042145 is a wasteful number, since it uses less digits than its factorization.

302042145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 302042145 is about 17379.3597407960. The cubic root of 302042145 is about 670.9484932586.

Adding to 302042145 its reverse (541240203), we get a palindrome (843282348).

The spelling of 302042145 in words is "three hundred two million, forty-two thousand, one hundred forty-five".

Divisors: 1 3 5 15 17 19 31 51 57 85 93 95 155 255 285 323 465 527 589 969 1581 1615 1767 2011 2635 2945 4845 6033 7905 8835 10013 10055 30039 30165 34187 38209 50065 62341 102561 114627 150195 170935 187023 191045 311705 512805 573135 649553 935115 1059797 1184479 1948659 3179391 3247765 3553437 5298985 5922395 9743295 15896955 17767185 20136143 60408429 100680715 302042145