Search a number
-
+
23106069 = 3272912647
BaseRepresentation
bin101100000100…
…1001000010101
31121110220120100
41120021020111
521403343234
62143124313
7400253430
oct130111025
947426510
1023106069
1112051a28
1278a3699
134a3013c
1430d6817
152066399
hex1609215

23106069 has 24 divisors (see below), whose sum is σ = 39461760. Its totient is φ = 12747168.

The previous prime is 23106049. The next prime is 23106107. The reversal of 23106069 is 96060132.

It is a happy number.

It is not a de Polignac number, because 23106069 - 217 = 22974997 is a prime.

It is a super-2 number, since 2×231060692 = 1067780849265522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23106029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4497 + ... + 8150.

It is an arithmetic number, because the mean of its divisors is an integer number (1644240).

Almost surely, 223106069 is an apocalyptic number.

23106069 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

23106069 is a deficient number, since it is larger than the sum of its proper divisors (16355691).

23106069 is a wasteful number, since it uses less digits than its factorization.

23106069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12689 (or 12686 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 23106069 is about 4806.8772607588. The cubic root of 23106069 is about 284.8231959722.

The spelling of 23106069 in words is "twenty-three million, one hundred six thousand, sixty-nine".

Divisors: 1 3 7 9 21 29 63 87 203 261 609 1827 12647 37941 88529 113823 265587 366763 796761 1100289 2567341 3300867 7702023 23106069