Search a number
-
+
2689069 = 19313933
BaseRepresentation
bin1010010000100000101101
312001121201011
422100200231
51142022234
6133345221
731566565
oct12204055
95047634
102689069
111577379
12a98211
13731c86
144ddda5
15381b64
hex29082d

2689069 has 4 divisors (see below), whose sum is σ = 2703196. Its totient is φ = 2674944.

The previous prime is 2689031. The next prime is 2689073. The reversal of 2689069 is 9609862.

It is a happy number.

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 1946025 + 743044 = 1395^2 + 862^2 .

It is a cyclic number.

It is not a de Polignac number, because 2689069 - 213 = 2680877 is a prime.

It is a super-2 number, since 2×26890692 = 14462184173522, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2689019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6774 + ... + 7159.

It is an arithmetic number, because the mean of its divisors is an integer number (675799).

22689069 is an apocalyptic number.

It is an amenable number.

2689069 is a deficient number, since it is larger than the sum of its proper divisors (14127).

2689069 is a wasteful number, since it uses less digits than its factorization.

2689069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14126.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 2689069 is about 1639.8381017649. The cubic root of 2689069 is about 139.0594952597.

The spelling of 2689069 in words is "two million, six hundred eighty-nine thousand, sixty-nine".

Divisors: 1 193 13933 2689069