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3455645 = 5691129
BaseRepresentation
bin1101001011101010011101
320111120020212
431023222131
51341040040
6202022205
741241524
oct15135235
96446225
103455645
111a50306
1211a7965
1393cb7b
1465d4bb
15483d65
hex34ba9d

3455645 has 4 divisors (see below), whose sum is σ = 4146780. Its totient is φ = 2764512.

The previous prime is 3455633. The next prime is 3455719. The reversal of 3455645 is 5465543.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1350244 + 2105401 = 1162^2 + 1451^2 .

It is a cyclic number.

It is not a de Polignac number, because 3455645 - 24 = 3455629 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345560 + ... + 345569.

It is an arithmetic number, because the mean of its divisors is an integer number (1036695).

Almost surely, 23455645 is an apocalyptic number.

It is an amenable number.

3455645 is a deficient number, since it is larger than the sum of its proper divisors (691135).

3455645 is an equidigital number, since it uses as much as digits as its factorization.

3455645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691134.

The product of its digits is 36000, while the sum is 32.

The square root of 3455645 is about 1858.9365239297. The cubic root of 3455645 is about 151.1853490512.

The spelling of 3455645 in words is "three million, four hundred fifty-five thousand, six hundred forty-five".

Divisors: 1 5 691129 3455645