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1066620230 = 251353154807
BaseRepresentation
bin111111100100110…
…101010101000110
32202100000220212222
4333210311111012
54141023321410
6253501212342
735301056654
oct7744652506
92670026788
101066620230
114a8096625
122592610b2
1313cc94540
14a192ddd4
1563990955
hex3f935546

1066620230 has 32 divisors (see below), whose sum is σ = 2106627264. Its totient is φ = 386395776.

The previous prime is 1066620199. The next prime is 1066620257. The reversal of 1066620230 is 320266601.

It is a super-2 number, since 2×10666202302 = 2275357430090505800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 1066620230.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70514 + ... + 84293.

It is an arithmetic number, because the mean of its divisors is an integer number (65832102).

Almost surely, 21066620230 is an apocalyptic number.

1066620230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1066620230 is a deficient number, since it is larger than the sum of its proper divisors (1040007034).

1066620230 is a wasteful number, since it uses less digits than its factorization.

1066620230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154880.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 1066620230 is about 32659.1523160048. The cubic root of 1066620230 is about 1021.7310826197.

Adding to 1066620230 its reverse (320266601), we get a palindrome (1386886831).

The spelling of 1066620230 in words is "one billion, sixty-six million, six hundred twenty thousand, two hundred thirty".

Divisors: 1 2 5 10 13 26 53 65 106 130 265 530 689 1378 3445 6890 154807 309614 774035 1548070 2012491 4024982 8204771 10062455 16409542 20124910 41023855 82047710 106662023 213324046 533310115 1066620230