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302031112 = 23178924953
BaseRepresentation
bin10010000000001…
…010000100001000
3210001022202210111
4102000022010020
51104304443422
645545324104
710325136115
oct2200120410
9701282714
10302031112
11145541499
1285196634
134a75c446
142c18190c
151b7b0a77
hex1200a108

302031112 has 32 divisors (see below), whose sum is σ = 606382200. Its totient is φ = 140529664.

The previous prime is 302031073. The next prime is 302031113. The reversal of 302031112 is 211130203.

302031112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 276689956 + 25341156 = 16634^2 + 5034^2 .

It is a junction number, because it is equal to n+sod(n) for n = 302031092 and 302031101.

It is not an unprimeable number, because it can be changed into a prime (302031113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373 + ... + 24580.

Almost surely, 2302031112 is an apocalyptic number.

It is an amenable number.

302031112 is an abundant number, since it is smaller than the sum of its proper divisors (304351088).

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

302031112 is a wasteful number, since it uses less digits than its factorization.

302031112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25065 (or 25061 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 302031112 is about 17379.0423211407. The cubic root of 302031112 is about 670.9403236869.

Adding to 302031112 its reverse (211130203), we get a palindrome (513161315).

Subtracting from 302031112 its reverse (211130203), we obtain a palindrome (90900909).

The spelling of 302031112 in words is "three hundred two million, thirty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 17 34 68 89 136 178 356 712 1513 3026 6052 12104 24953 49906 99812 199624 424201 848402 1696804 2220817 3393608 4441634 8883268 17766536 37753889 75507778 151015556 302031112