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60989869 is a prime number
BaseRepresentation
bin1110100010101…
…0000110101101
311020202121101001
43220222012231
5111103133434
610015120301
71340256013
oct350520655
9136677331
1060989869
1131477656
1218513091
13c8356a5
1481588b3
15554b114
hex3a2a1ad

60989869 has 2 divisors, whose sum is σ = 60989870. Its totient is φ = 60989868.

The previous prime is 60989861. The next prime is 60989881. The reversal of 60989869 is 96898906.

60989869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60062500 + 927369 = 7750^2 + 963^2 .

It is a cyclic number.

It is not a de Polignac number, because 60989869 - 23 = 60989861 is a prime.

It is a super-2 number, since 2×609898692 = 7439528241274322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60989861) 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 as a sum of consecutive naturals, namely, 30494934 + 30494935.

It is an arithmetic number, because the mean of its divisors is an integer number (30494935).

Almost surely, 260989869 is an apocalyptic number.

It is an amenable number.

60989869 is a deficient number, since it is larger than the sum of its proper divisors (1).

60989869 is an equidigital number, since it uses as much as digits as its factorization.

60989869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1679616, while the sum is 55.

The square root of 60989869 is about 7809.6010781601. The cubic root of 60989869 is about 393.6279243971.

The spelling of 60989869 in words is "sixty million, nine hundred eighty-nine thousand, eight hundred sixty-nine".