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3438365 = 57313169
BaseRepresentation
bin1101000111011100011101
320110200112212
431013130131
51340011430
6201410205
741140250
oct15073435
96420485
103438365
111a39327
121199965
13935048
14657097
1547db95
hex34771d

3438365 has 16 divisors (see below), whose sum is σ = 4869120. Its totient is φ = 2280960.

The previous prime is 3438353. The next prime is 3438367. The reversal of 3438365 is 5638343.

It is not a de Polignac number, because 3438365 - 24 = 3438349 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3438367) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 500 + ... + 2669.

It is an arithmetic number, because the mean of its divisors is an integer number (304320).

Almost surely, 23438365 is an apocalyptic number.

3438365 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3438365 is a deficient number, since it is larger than the sum of its proper divisors (1430755).

3438365 is a wasteful number, since it uses less digits than its factorization.

3438365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3212.

The product of its digits is 25920, while the sum is 32.

The square root of 3438365 is about 1854.2828802532. The cubic root of 3438365 is about 150.9329263674.

The spelling of 3438365 in words is "three million, four hundred thirty-eight thousand, three hundred sixty-five".

Divisors: 1 5 7 31 35 155 217 1085 3169 15845 22183 98239 110915 491195 687673 3438365