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52628400 = 24335211443
BaseRepresentation
bin1100100011000…
…0101110110000
310200000210121000
43020300232300
5101433102100
65120002000
71206222366
oct310605660
9120023530
1052628400
1127786550
1215760300
13ab98886
146dbd636
154948900
hex3230bb0

52628400 has 240 divisors, whose sum is σ = 204808320. Its totient is φ = 12729600.

The previous prime is 52628383. The next prime is 52628437. The reversal of 52628400 is 482625.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 118579 + ... + 119021.

It is an arithmetic number, because the mean of its divisors is an integer number (853368).

Almost surely, 252628400 is an apocalyptic number.

52628400 is a gapful number since it is divisible by the number (50) 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 52628400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102404160).

52628400 is an abundant number, since it is smaller than the sum of its proper divisors (152179920).

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

52628400 is a wasteful number, since it uses less digits than its factorization.

52628400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 52628400 is about 7254.5434039642. The cubic root of 52628400 is about 374.7486315414.

The spelling of 52628400 in words is "fifty-two million, six hundred twenty-eight thousand, four hundred".