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52389931400 = 2352261949657
BaseRepresentation
bin110000110010101011…
…101110100110001000
312000020010220021011122
4300302223232212020
51324243310301100
640022334014412
73533162032532
oct606253564610
9160203807148
1052389931400
1120244828974
12a1a1347408
134c2bc41811
14276dccc852
1515695cc985
hexc32aee988

52389931400 has 24 divisors (see below), whose sum is σ = 121806590970. Its totient is φ = 20955972480.

The previous prime is 52389931393. The next prime is 52389931417. The reversal of 52389931400 is 413998325.

It can be written as a sum of positive squares in 3 ways, for example, as 36688337764 + 15701593636 = 191542^2 + 125306^2 .

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 5 ways as a sum of consecutive naturals, for example, 130974629 + ... + 130975028.

Almost surely, 252389931400 is an apocalyptic number.

52389931400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52389931400 is an abundant number, since it is smaller than the sum of its proper divisors (69416659570).

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

52389931400 is a wasteful number, since it uses less digits than its factorization.

52389931400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261949673 (or 261949664 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 52389931400 in words is "fifty-two billion, three hundred eighty-nine million, nine hundred thirty-one thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 261949657 523899314 1047798628 1309748285 2095597256 2619496570 5238993140 6548741425 10477986280 13097482850 26194965700 52389931400