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68462170 = 257978031
BaseRepresentation
bin1000001010010…
…10011001011010
311202211020102221
410011022121122
5120011242140
610443214254
71460630110
oct405123132
9152736387
1068462170
1135710707
121ab1738a
131125087a
149141ab0
15602514a
hex414a65a

68462170 has 16 divisors (see below), whose sum is σ = 140836608. Its totient is φ = 23472720.

The previous prime is 68462161. The next prime is 68462183. The reversal of 68462170 is 7126486.

It is a super-2 number, since 2×684621702 = 9374137442217800, which contains 22 as substring.

It is an unprimeable number.

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, 488946 + ... + 489085.

It is an arithmetic number, because the mean of its divisors is an integer number (8802288).

Almost surely, 268462170 is an apocalyptic number.

68462170 is an abundant number, since it is smaller than the sum of its proper divisors (72374438).

68462170 is a wasteful number, since it uses less digits than its factorization.

68462170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978045.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 68462170 is about 8274.1869691227. The cubic root of 68462170 is about 409.0881380583.

The spelling of 68462170 in words is "sixty-eight million, four hundred sixty-two thousand, one hundred seventy".

Divisors: 1 2 5 7 10 14 35 70 978031 1956062 4890155 6846217 9780310 13692434 34231085 68462170