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52728474 = 238788079
BaseRepresentation
bin1100100100100…
…1001010011010
310200012212212110
43021021022122
5101444302344
65122053150
71210120221
oct311111232
9120185773
1052728474
1127844757
12157aa1b6
13ac022a6
147007cb8
1549683b9
hex324929a

52728474 has 8 divisors (see below), whose sum is σ = 105456960. Its totient is φ = 17576156.

The previous prime is 52728469. The next prime is 52728479. The reversal of 52728474 is 47482725.

It is an interprime number because it is at equal distance from previous prime (52728469) and next prime (52728479).

It is a sphenic number, since it is the product of 3 distinct primes.

52728474 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (52728479) 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 3 ways as a sum of consecutive naturals, for example, 4394034 + ... + 4394045.

It is an arithmetic number, because the mean of its divisors is an integer number (13182120).

Almost surely, 252728474 is an apocalyptic number.

52728474 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

52728474 is a wasteful number, since it uses less digits than its factorization.

52728474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8788084.

The product of its digits is 125440, while the sum is 39.

The square root of 52728474 is about 7261.4374609990. The cubic root of 52728474 is about 374.9860119227.

The spelling of 52728474 in words is "fifty-two million, seven hundred twenty-eight thousand, four hundred seventy-four".

Divisors: 1 2 3 6 8788079 17576158 26364237 52728474