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52207487 is a prime number
BaseRepresentation
bin1100011100100…
…1111101111111
310122020102012122
43013021331333
5101331114422
65102553155
71202520263
oct307117577
9118212178
1052207487
1127519292
12155987bb
13aa7c107
146d100a3
1548b3d42
hex31c9f7f

52207487 has 2 divisors, whose sum is σ = 52207488. Its totient is φ = 52207486.

The previous prime is 52207439. The next prime is 52207517. The reversal of 52207487 is 78470225.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52207487 - 26 = 52207423 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52207087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26103743 + 26103744.

It is an arithmetic number, because the mean of its divisors is an integer number (26103744).

Almost surely, 252207487 is an apocalyptic number.

52207487 is a deficient number, since it is larger than the sum of its proper divisors (1).

52207487 is an equidigital number, since it uses as much as digits as its factorization.

52207487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 52207487 is about 7225.4748632875. The cubic root of 52207487 is about 373.7468975854.

The spelling of 52207487 in words is "fifty-two million, two hundred seven thousand, four hundred eighty-seven".