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52470643 is a prime number
BaseRepresentation
bin1100100000101…
…0001101110011
310122201210012011
43020022031303
5101413030033
65112343351
71204664431
oct310121563
9118653164
1052470643
1127688a75
12156a4b57
13ab41b24
146d7bd51
154916ccd
hex320a373

52470643 has 2 divisors, whose sum is σ = 52470644. Its totient is φ = 52470642.

The previous prime is 52470629. The next prime is 52470661. The reversal of 52470643 is 34607425.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52470643 is a prime.

It is a super-4 number, since 4×524706434 (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is not a weakly prime, because it can be changed into another prime (52470673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26235321 + 26235322.

It is an arithmetic number, because the mean of its divisors is an integer number (26235322).

Almost surely, 252470643 is an apocalyptic number.

52470643 is a deficient number, since it is larger than the sum of its proper divisors (1).

52470643 is an equidigital number, since it uses as much as digits as its factorization.

52470643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 52470643 is about 7243.6622643522. The cubic root of 52470643 is about 374.3738124345.

The spelling of 52470643 in words is "fifty-two million, four hundred seventy thousand, six hundred forty-three".