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1052544240 = 2433511311429
BaseRepresentation
bin111110101111001…
…000110011110000
32201100112210021000
4332233020303300
54123422403430
6252235402000
735040323046
oct7657106360
92640483230
101052544240
114a0152080
122545b3300
1313a0a6657
149db08396
156260ee60
hex3ebc8cf0

1052544240 has 320 divisors, whose sum is σ = 4085452800. Its totient is φ = 246758400.

The previous prime is 1052544223. The next prime is 1052544253. The reversal of 1052544240 is 424452501.

It is a super-2 number, since 2×10525442402 = 2215698754314355200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 63 ways as a sum of consecutive naturals, for example, 735846 + ... + 737274.

It is an arithmetic number, because the mean of its divisors is an integer number (12767040).

Almost surely, 21052544240 is an apocalyptic number.

1052544240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1052544240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2042726400).

1052544240 is an abundant number, since it is smaller than the sum of its proper divisors (3032908560).

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

1052544240 is a wasteful number, since it uses less digits than its factorization.

1052544240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493 (or 1481 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 1052544240 is about 32442.9382146562. The cubic root of 1052544240 is about 1017.2166331353.

Adding to 1052544240 its reverse (424452501), we get a palindrome (1476996741).

The spelling of 1052544240 in words is "one billion, fifty-two million, five hundred forty-four thousand, two hundred forty".