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3428418 = 23781629
BaseRepresentation
bin1101000101000001000010
320110011220110
431011001002
51334202133
6201252150
741066250
oct15050102
96404813
103428418
111a31904
121194056
13930666
146535d0
1547ac63
hex345042

3428418 has 16 divisors (see below), whose sum is σ = 7836480. Its totient is φ = 979536.

The previous prime is 3428413. The next prime is 3428419. The reversal of 3428418 is 8148243.

It is not an unprimeable number, because it can be changed into a prime (3428413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40773 + ... + 40856.

It is an arithmetic number, because the mean of its divisors is an integer number (489780).

Almost surely, 23428418 is an apocalyptic number.

3428418 is an abundant number, since it is smaller than the sum of its proper divisors (4408062).

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

3428418 is a wasteful number, since it uses less digits than its factorization.

3428418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81641.

The product of its digits is 6144, while the sum is 30.

The square root of 3428418 is about 1851.5987686321. The cubic root of 3428418 is about 150.7872389157.

The spelling of 3428418 in words is "three million, four hundred twenty-eight thousand, four hundred eighteen".

Divisors: 1 2 3 6 7 14 21 42 81629 163258 244887 489774 571403 1142806 1714209 3428418