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1052287390 = 257112283439
BaseRepresentation
bin111110101110001…
…010000110011110
32201100001201221001
4332232022012132
54123341144030
6252230100514
735035203160
oct7656120636
92640051831
101052287390
1149aa97100
122544aa73a
1313a01677b
149da7c930
15625adcca
hex3eb8a19e

1052287390 has 96 divisors (see below), whose sum is σ = 2393233920. Its totient is φ = 326082240.

The previous prime is 1052287367. The next prime is 1052287399. The reversal of 1052287390 is 937822501.

It is a super-2 number, since 2×10522873902 = 2214617502306024200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052287399) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 2396791 + ... + 2397229.

It is an arithmetic number, because the mean of its divisors is an integer number (24929520).

Almost surely, 21052287390 is an apocalyptic number.

1052287390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1052287390 is an abundant number, since it is smaller than the sum of its proper divisors (1340946530).

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

1052287390 is a wasteful number, since it uses less digits than its factorization.

1052287390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758 (or 747 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 1052287390 is about 32438.9794845646. The cubic root of 1052287390 is about 1017.1338833760.

The spelling of 1052287390 in words is "one billion, fifty-two million, two hundred eighty-seven thousand, three hundred ninety".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 121 154 242 283 385 439 566 605 770 847 878 1210 1415 1694 1981 2195 2830 3073 3113 3962 4235 4390 4829 6146 6226 8470 9658 9905 15365 15565 19810 21791 24145 30730 31130 33803 34243 43582 48290 53119 67606 68486 106238 108955 124237 169015 171215 217910 239701 248474 265595 338030 342430 371833 479402 531190 621185 743666 869659 1198505 1242370 1366607 1739318 1859165 2397010 2733214 3718330 4348295 6833035 8696590 9566249 13666070 15032677 19132498 30065354 47831245 75163385 95662490 105228739 150326770 210457478 526143695 1052287390