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52770432 = 2731113312
BaseRepresentation
bin1100100101001…
…1011010000000
310200022000102110
43021103122000
5102002123212
65123015320
71210353441
oct311233200
9120260373
1052770432
1127873230
121580a540
13ac18410
1470192c8
154975a3c
hex3253680

52770432 has 192 divisors, whose sum is σ = 170160480. Its totient is φ = 14284800.

The previous prime is 52770413. The next prime is 52770433. The reversal of 52770432 is 23407725.

It is a tau number, because it is divible by the number of its divisors (192).

It is a self number, because there is not a number n which added to its sum of digits gives 52770432.

It is not an unprimeable number, because it can be changed into a prime (52770433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1702257 + ... + 1702287.

Almost surely, 252770432 is an apocalyptic number.

52770432 is a gapful number since it is divisible by the number (52) 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 52770432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85080240).

52770432 is an abundant number, since it is smaller than the sum of its proper divisors (117390048).

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

52770432 is a wasteful number, since it uses less digits than its factorization.

52770432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 52770432 is about 7264.3259838749. The cubic root of 52770432 is about 375.0854489722.

The spelling of 52770432 in words is "fifty-two million, seven hundred seventy thousand, four hundred thirty-two".