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52740750 = 235370321
BaseRepresentation
bin1100100100110…
…0001010001110
310200020111201010
43021030022032
5102000201000
65122230050
71210201056
oct311141216
9120214633
1052740750
11278529a7
12157b5326
13ac07a5a
14700c566
15496bd50
hex324c28e

52740750 has 32 divisors (see below), whose sum is σ = 131642784. Its totient is φ = 14064000.

The previous prime is 52740733. The next prime is 52740757. The reversal of 52740750 is 5704725.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52740757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34411 + ... + 35910.

It is an arithmetic number, because the mean of its divisors is an integer number (4113837).

Almost surely, 252740750 is an apocalyptic number.

52740750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52740750 is an abundant number, since it is smaller than the sum of its proper divisors (78902034).

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

52740750 is a wasteful number, since it uses less digits than its factorization.

52740750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70341 (or 70331 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 30.

The square root of 52740750 is about 7262.2826989866. The cubic root of 52740750 is about 375.0151105022.

The spelling of 52740750 in words is "fifty-two million, seven hundred forty thousand, seven hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 125 150 250 375 750 70321 140642 210963 351605 421926 703210 1054815 1758025 2109630 3516050 5274075 8790125 10548150 17580250 26370375 52740750