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3438438 = 231972909
BaseRepresentation
bin1101000111011101100110
320110200122120
431013131212
51340012223
6201410410
741140413
oct15073546
96420576
103438438
111a39393
121199a06
139350a3
1465710a
1547dbe3
hex347766

3438438 has 16 divisors (see below), whose sum is σ = 6914160. Its totient is φ = 1139936.

The previous prime is 3438419. The next prime is 3438439. The reversal of 3438438 is 8348343.

It is a junction number, because it is equal to n+sod(n) for n = 3438399 and 3438408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3438439) 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 7 ways as a sum of consecutive naturals, for example, 273 + ... + 2636.

It is an arithmetic number, because the mean of its divisors is an integer number (432135).

Almost surely, 23438438 is an apocalyptic number.

3438438 is an abundant number, since it is smaller than the sum of its proper divisors (3475722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3438438 is a wasteful number, since it uses less digits than its factorization.

3438438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3111.

The product of its digits is 27648, while the sum is 33.

The square root of 3438438 is about 1854.3025643082. The cubic root of 3438438 is about 150.9339945133.

The spelling of 3438438 in words is "three million, four hundred thirty-eight thousand, four hundred thirty-eight".

Divisors: 1 2 3 6 197 394 591 1182 2909 5818 8727 17454 573073 1146146 1719219 3438438