Search a number
-
+
69277045 = 513855409
BaseRepresentation
bin1000010000100…
…01010101110101
311211100122020111
410020101111311
5120213331140
610512503021
71500562615
oct410212565
9154318214
1069277045
1136117962
121b24aa71
1311477746
1492b4a45
1561367ea
hex4211575

69277045 has 4 divisors (see below), whose sum is σ = 83132460. Its totient is φ = 55421632.

The previous prime is 69277001. The next prime is 69277049. The reversal of 69277045 is 54077296.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21846276 + 47430769 = 4674^2 + 6887^2 .

It is a cyclic number.

It is not a de Polignac number, because 69277045 - 29 = 69276533 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 69276989 and 69277007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69277049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6927700 + ... + 6927709.

It is an arithmetic number, because the mean of its divisors is an integer number (20783115).

Almost surely, 269277045 is an apocalyptic number.

It is an amenable number.

69277045 is a deficient number, since it is larger than the sum of its proper divisors (13855415).

69277045 is a wasteful number, since it uses less digits than its factorization.

69277045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13855414.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 69277045 is about 8323.2833064843. The cubic root of 69277045 is about 410.7048059600.

The spelling of 69277045 in words is "sixty-nine million, two hundred seventy-seven thousand, forty-five".

Divisors: 1 5 13855409 69277045