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52687298 = 243612643
BaseRepresentation
bin1100100011111…
…1000111000010
310200010210101102
43020333013002
5101441443143
65121134402
71206556166
oct310770702
9120123342
1052687298
1127816824
121578a402
13abb9621
146dd6ca6
15495b0b8
hex323f1c2

52687298 has 8 divisors (see below), whose sum is σ = 80869008. Its totient is φ = 25730964.

The previous prime is 52687291. The next prime is 52687351. The reversal of 52687298 is 89278625.

52687298 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52687291) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 306236 + ... + 306407.

It is an arithmetic number, because the mean of its divisors is an integer number (10108626).

Almost surely, 252687298 is an apocalyptic number.

52687298 is a deficient number, since it is larger than the sum of its proper divisors (28181710).

52687298 is a wasteful number, since it uses less digits than its factorization.

52687298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612688.

The product of its digits is 483840, while the sum is 47.

The square root of 52687298 is about 7258.6016559665. The cubic root of 52687298 is about 374.8883768514. Note that the first 3 decimals are identical.

The spelling of 52687298 in words is "fifty-two million, six hundred eighty-seven thousand, two hundred ninety-eight".

Divisors: 1 2 43 86 612643 1225286 26343649 52687298