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52745018 = 226372509
BaseRepresentation
bin1100100100110…
…1001100111010
310200020201120012
43021031030322
5102000320033
65122301522
71210216364
oct311151472
9120221505
1052745018
1127856127
12157b78a2
13ac09991
14700dd34
15496d248
hex324d33a

52745018 has 4 divisors (see below), whose sum is σ = 79117530. Its totient is φ = 26372508.

The previous prime is 52744973. The next prime is 52745107. The reversal of 52745018 is 81054725.

52745018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 50737129 + 2007889 = 7123^2 + 1417^2 .

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13186253 + ... + 13186256.

Almost surely, 252745018 is an apocalyptic number.

52745018 is a deficient number, since it is larger than the sum of its proper divisors (26372512).

52745018 is a wasteful number, since it uses less digits than its factorization.

52745018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26372511.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 52745018 is about 7262.5765400442. The cubic root of 52745018 is about 375.0252261549.

The spelling of 52745018 in words is "fifty-two million, seven hundred forty-five thousand, eighteen".

Divisors: 1 2 26372509 52745018