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3458645 = 5691729
BaseRepresentation
bin1101001100011001010101
320111201100222
431030121111
51341134040
6202044125
741253341
oct15143125
96451328
103458645
111a52593
1211a9645
13941348
14660621
15484bb5
hex34c655

3458645 has 4 divisors (see below), whose sum is σ = 4150380. Its totient is φ = 2766912.

The previous prime is 3458641. The next prime is 3458657. The reversal of 3458645 is 5468543.

3458645 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: 5468543 = 17321679.

It can be written as a sum of positive squares in 2 ways, for example, as 2328676 + 1129969 = 1526^2 + 1063^2 .

It is a cyclic number.

It is not a de Polignac number, because 3458645 - 22 = 3458641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3458641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345860 + ... + 345869.

It is an arithmetic number, because the mean of its divisors is an integer number (1037595).

Almost surely, 23458645 is an apocalyptic number.

It is an amenable number.

3458645 is a deficient number, since it is larger than the sum of its proper divisors (691735).

3458645 is an equidigital number, since it uses as much as digits as its factorization.

3458645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691734.

The product of its digits is 57600, while the sum is 35.

The square root of 3458645 is about 1859.7432618509. The cubic root of 3458645 is about 151.2290866515.

The spelling of 3458645 in words is "three million, four hundred fifty-eight thousand, six hundred forty-five".

Divisors: 1 5 691729 3458645