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10645345 = 52129069
BaseRepresentation
bin101000100110…
…111101100001
3202000211200001
4220212331201
510211122340
61020100001
7156324664
oct50467541
922024601
1010645345
116011007
123694601
132289529
1415b16db
15e0429a
hexa26f61

10645345 has 4 divisors (see below), whose sum is σ = 12774420. Its totient is φ = 8516272.

The previous prime is 10645337. The next prime is 10645357. The reversal of 10645345 is 54354601.

10645345 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: 54354601 = 77764943.

It can be written as a sum of positive squares in 2 ways, for example, as 7491169 + 3154176 = 2737^2 + 1776^2 .

It is a cyclic number.

It is not a de Polignac number, because 10645345 - 23 = 10645337 is a prime.

It is a super-2 number, since 2×106453452 = 226646740338050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1064530 + ... + 1064539.

It is an arithmetic number, because the mean of its divisors is an integer number (3193605).

Almost surely, 210645345 is an apocalyptic number.

It is an amenable number.

10645345 is a deficient number, since it is larger than the sum of its proper divisors (2129075).

10645345 is an equidigital number, since it uses as much as digits as its factorization.

10645345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129074.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 10645345 is about 3262.7204906335. The cubic root of 10645345 is about 219.9817133561.

Adding to 10645345 its reverse (54354601), we get a palindrome (64999946).

It can be divided in two parts, 106 and 45345, that added together give a triangular number (45451 = T301).

The spelling of 10645345 in words is "ten million, six hundred forty-five thousand, three hundred forty-five".

Divisors: 1 5 2129069 10645345