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3438385 = 523291031
BaseRepresentation
bin1101000111011100110001
320110200120121
431013130301
51340012020
6201410241
741140306
oct15073461
96420517
103438385
111a39345
121199981
13935062
146570ad
1547dbaa
hex347731

3438385 has 16 divisors (see below), whose sum is σ = 4458240. Its totient is φ = 2537920.

The previous prime is 3438377. The next prime is 3438389. The reversal of 3438385 is 5838343.

It is not a de Polignac number, because 3438385 - 23 = 3438377 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3438385.

It is not an unprimeable number, because it can be changed into a prime (3438389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2820 + ... + 3850.

It is an arithmetic number, because the mean of its divisors is an integer number (278640).

Almost surely, 23438385 is an apocalyptic number.

It is an amenable number.

3438385 is a deficient number, since it is larger than the sum of its proper divisors (1019855).

3438385 is a wasteful number, since it uses less digits than its factorization.

3438385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088.

The product of its digits is 34560, while the sum is 34.

The square root of 3438385 is about 1854.2882731657. The cubic root of 3438385 is about 150.9332190116.

The spelling of 3438385 in words is "three million, four hundred thirty-eight thousand, three hundred eighty-five".

Divisors: 1 5 23 29 115 145 667 1031 3335 5155 23713 29899 118565 149495 687677 3438385