Search a number
-
+
69029 is a prime number
BaseRepresentation
bin10000110110100101
310111200122
4100312211
54202104
61251325
7405152
oct206645
9114618
1069029
1147954
1233b45
132555c
141b229
15156be
hex10da5

69029 has 2 divisors, whose sum is σ = 69030. Its totient is φ = 69028.

The previous prime is 69019. The next prime is 69031. The reversal of 69029 is 92096.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52900 + 16129 = 230^2 + 127^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-69029 is a prime.

It is a super-3 number, since 3×690293 = 986770143334167, which contains 333 as substring.

It is a Sophie Germain prime.

Together with 69031, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a plaindrome in base 13 and base 15.

It is a junction number, because it is equal to n+sod(n) for n = 68989 and 69007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34514 + 34515.

It is an arithmetic number, because the mean of its divisors is an integer number (34515).

269029 is an apocalyptic number.

It is an amenable number.

69029 is a deficient number, since it is larger than the sum of its proper divisors (1).

69029 is an equidigital number, since it uses as much as digits as its factorization.

69029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 69029 is about 262.7337054890. The cubic root of 69029 is about 41.0214046474.

The spelling of 69029 in words is "sixty-nine thousand, twenty-nine".