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247493068 = 22733832213
BaseRepresentation
bin11101100000001…
…11000111001100
3122020200221122221
432300013013030
51001324234233
640320345124
76063441064
oct1660070714
9566627587
10247493068
11117781229
126aa751a4
133c375604
1424c263a4
1516adb42d
hexec071cc

247493068 has 24 divisors (see below), whose sum is σ = 440391168. Its totient is φ = 121677696.

The previous prime is 247493063. The next prime is 247493101. The reversal of 247493068 is 860394742.

It is a super-2 number, since 2×2474930682 = 122505637416105248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (247493063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110730 + ... + 112942.

It is an arithmetic number, because the mean of its divisors is an integer number (18349632).

Almost surely, 2247493068 is an apocalyptic number.

It is an amenable number.

247493068 is a deficient number, since it is larger than the sum of its proper divisors (192898100).

247493068 is a wasteful number, since it uses less digits than its factorization.

247493068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2673 (or 2671 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 247493068 is about 15731.9124075873. The cubic root of 247493068 is about 627.8477561089.

The spelling of 247493068 in words is "two hundred forty-seven million, four hundred ninety-three thousand, sixty-eight".

Divisors: 1 2 4 73 146 292 383 766 1532 2213 4426 8852 27959 55918 111836 161549 323098 646196 847579 1695158 3390316 61873267 123746534 247493068