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1052530245 = 325132118527
BaseRepresentation
bin111110101111000…
…101011001000101
32201100112002001200
4332233011121011
54123421431440
6252235213113
735040234204
oct7657053105
92640462050
101052530245
114a0142608
122545a7199
1313a0a0180
149db0323b
156260ac30
hex3ebc5645

1052530245 has 48 divisors (see below), whose sum is σ = 1974266112. Its totient is φ = 515652480.

The previous prime is 1052530223. The next prime is 1052530247. The reversal of 1052530245 is 5420352501.

It is a happy number.

1052530245 is a `hidden beast` number, since 105 + 2 + 530 + 24 + 5 = 666.

It is not a de Polignac number, because 1052530245 - 26 = 1052530181 is a prime.

It is a super-2 number, since 2×10525302452 = 2215639833279520050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052530247) 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, 119172 + ... + 127698.

It is an arithmetic number, because the mean of its divisors is an integer number (41130544).

Almost surely, 21052530245 is an apocalyptic number.

1052530245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1052530245 is a deficient number, since it is larger than the sum of its proper divisors (921735867).

1052530245 is a wasteful number, since it uses less digits than its factorization.

1052530245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8762 (or 8759 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 1052530245 is about 32442.7225275562. The cubic root of 1052530245 is about 1017.2121246914.

Adding to 1052530245 its reverse (5420352501), we get a palindrome (6472882746).

The spelling of 1052530245 in words is "one billion, fifty-two million, five hundred thirty thousand, two hundred forty-five".

Divisors: 1 3 5 9 13 15 39 45 65 117 195 211 585 633 1055 1899 2743 3165 8229 8527 9495 13715 24687 25581 41145 42635 76743 110851 123435 127905 332553 383715 554255 997659 1662765 1799197 4988295 5397591 8995985 16192773 23389561 26987955 70168683 80963865 116947805 210506049 350843415 1052530245