Search a number
-
+
2305069 = 13233761
BaseRepresentation
bin1000110010110000101101
311100002221221
420302300231
51042230234
6121223341
725410214
oct10626055
94302857
102305069
111334918
12931b51
13629260
1444007b
15307eb4
hex232c2d

2305069 has 8 divisors (see below), whose sum is σ = 2496312. Its totient is φ = 2115840.

The previous prime is 2305049. The next prime is 2305091. The reversal of 2305069 is 9605032.

It can be written as a sum of positive squares in 4 ways, for example, as 240100 + 2064969 = 490^2 + 1437^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2305069 - 215 = 2272301 is a prime.

It is a super-2 number, since 2×23050692 = 10626686189522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2305049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2649 + ... + 3409.

It is an arithmetic number, because the mean of its divisors is an integer number (312039).

22305069 is an apocalyptic number.

It is an amenable number.

2305069 is a deficient number, since it is larger than the sum of its proper divisors (191243).

2305069 is a wasteful number, since it uses less digits than its factorization.

2305069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 2305069 is about 1518.2453688386. The cubic root of 2305069 is about 132.0975136506.

The spelling of 2305069 in words is "two million, three hundred five thousand, sixty-nine".

Divisors: 1 13 233 761 3029 9893 177313 2305069