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13845677 = 38935593
BaseRepresentation
bin110100110100…
…010010101101
3222001102200212
4310310102231
512021030202
61212432205
7225454256
oct64642255
928042625
1013845677
1178a750a
124778665
132b3a111
141ba5b2d
151337652
hexd344ad

13845677 has 4 divisors (see below), whose sum is σ = 13881660. Its totient is φ = 13809696.

The previous prime is 13845653. The next prime is 13845679. The reversal of 13845677 is 77654831.

13845677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77654831 = 233376297.

It can be written as a sum of positive squares in 2 ways, for example, as 1811716 + 12033961 = 1346^2 + 3469^2 .

It is a cyclic number.

It is not a de Polignac number, because 13845677 - 28 = 13845421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13845679) 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, 17408 + ... + 18185.

It is an arithmetic number, because the mean of its divisors is an integer number (3470415).

Almost surely, 213845677 is an apocalyptic number.

It is an amenable number.

13845677 is a deficient number, since it is larger than the sum of its proper divisors (35983).

13845677 is an equidigital number, since it uses as much as digits as its factorization.

13845677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35982.

The product of its digits is 141120, while the sum is 41.

The square root of 13845677 is about 3720.9779628479. The cubic root of 13845677 is about 240.1253800898.

It can be divided in two parts, 1384567 and 7, that multiplied together give a palindrome (9691969).

The spelling of 13845677 in words is "thirteen million, eight hundred forty-five thousand, six hundred seventy-seven".

Divisors: 1 389 35593 13845677