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304142112 = 25321056049
BaseRepresentation
bin10010001000001…
…101011100100000
3210012022000112200
4102020031130200
51110330021422
650102453200
710352110461
oct2210153440
9705260480
10304142112
1114675351a
1285a34200
134b01b261
142c570d68
151ba7b2ac
hex1220d720

304142112 has 36 divisors (see below), whose sum is σ = 864904950. Its totient is φ = 101380608.

The previous prime is 304142077. The next prime is 304142149. The reversal of 304142112 is 211241403.

It can be written as a sum of positive squares in only one way, i.e., 248251536 + 55890576 = 15756^2 + 7476^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 527737 + ... + 528312.

Almost surely, 2304142112 is an apocalyptic number.

304142112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

304142112 is an abundant number, since it is smaller than the sum of its proper divisors (560762838).

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

304142112 is a wasteful number, since it uses less digits than its factorization.

304142112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056065 (or 1056054 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 304142112 is about 17439.6706390918. The cubic root of 304142112 is about 672.4998407061.

Adding to 304142112 its reverse (211241403), we get a palindrome (515383515).

The spelling of 304142112 in words is "three hundred four million, one hundred forty-two thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 1056049 2112098 3168147 4224196 6336294 8448392 9504441 12672588 16896784 19008882 25345176 33793568 38017764 50690352 76035528 101380704 152071056 304142112