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1027745970 = 235163210173
BaseRepresentation
bin111101010000100…
…010100010110010
32122121212220102120
4331100202202302
54101100332340
6245552055110
734316460636
oct7520424262
92577786376
101027745970
11488154839
12248234496
13134c03214
149a6d0dc6
15603624d0
hex3d4228b2

1027745970 has 32 divisors (see below), whose sum is σ = 2481734592. Its totient is φ = 272382912.

The previous prime is 1027745963. The next prime is 1027745977. The reversal of 1027745970 is 795477201.

It is an interprime number because it is at equal distance from previous prime (1027745963) and next prime (1027745977).

It is not an unprimeable number, because it can be changed into a prime (1027745977) 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 15 ways as a sum of consecutive naturals, for example, 100197 + ... + 109976.

It is an arithmetic number, because the mean of its divisors is an integer number (77554206).

Almost surely, 21027745970 is an apocalyptic number.

1027745970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1027745970 is an abundant number, since it is smaller than the sum of its proper divisors (1453988622).

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

1027745970 is a wasteful number, since it uses less digits than its factorization.

1027745970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210346.

The product of its (nonzero) digits is 123480, while the sum is 42.

The square root of 1027745970 is about 32058.4773499928. The cubic root of 1027745970 is about 1009.1644136273.

The spelling of 1027745970 in words is "one billion, twenty-seven million, seven hundred forty-five thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 163 326 489 815 978 1630 2445 4890 210173 420346 630519 1050865 1261038 2101730 3152595 6305190 34258199 68516398 102774597 171290995 205549194 342581990 513872985 1027745970