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52986949 is a prime number
BaseRepresentation
bin1100101000100…
…0010001000101
310200201000102121
43022020101011
5102031040244
65131405541
71212244621
oct312102105
9120630377
1052986949
1127a00974
12158b38b1
13ac92b32
147074181
1549b9c84
hex3288445

52986949 has 2 divisors, whose sum is σ = 52986950. Its totient is φ = 52986948.

The previous prime is 52986931. The next prime is 52986961. The reversal of 52986949 is 94968925.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42810849 + 10176100 = 6543^2 + 3190^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52986949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52986896 and 52986905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52986049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26493474 + 26493475.

It is an arithmetic number, because the mean of its divisors is an integer number (26493475).

Almost surely, 252986949 is an apocalyptic number.

It is an amenable number.

52986949 is a deficient number, since it is larger than the sum of its proper divisors (1).

52986949 is an equidigital number, since it uses as much as digits as its factorization.

52986949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1399680, while the sum is 52.

The square root of 52986949 is about 7279.2134877334. The cubic root of 52986949 is about 375.5977406360.

It can be divided in two parts, 52986 and 949, that added together give a palindrome (53935).

The spelling of 52986949 in words is "fifty-two million, nine hundred eighty-six thousand, nine hundred forty-nine".