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52730776 = 2371949559
BaseRepresentation
bin1100100100100…
…1101110011000
310200020000000201
43021021232120
5101444341101
65122111544
71210130020
oct311115630
9120200021
1052730776
112784645a
12157ab5b4
13ac03357
147008a80
154968e01
hex3249b98

52730776 has 32 divisors (see below), whose sum is σ = 118944000. Its totient is φ = 21409056.

The previous prime is 52730773. The next prime is 52730801. The reversal of 52730776 is 67703725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52730773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23716 + ... + 25843.

It is an arithmetic number, because the mean of its divisors is an integer number (3717000).

Almost surely, 252730776 is an apocalyptic number.

52730776 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

52730776 is an abundant number, since it is smaller than the sum of its proper divisors (66213224).

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

52730776 is a wasteful number, since it uses less digits than its factorization.

52730776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49591 (or 49587 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 37.

The square root of 52730776 is about 7261.5959678297. The cubic root of 52730776 is about 374.9914688430.

The spelling of 52730776 in words is "fifty-two million, seven hundred thirty thousand, seven hundred seventy-six".

Divisors: 1 2 4 7 8 14 19 28 38 56 76 133 152 266 532 1064 49559 99118 198236 346913 396472 693826 941621 1387652 1883242 2775304 3766484 6591347 7532968 13182694 26365388 52730776