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4494420 = 2233572941
BaseRepresentation
bin10001001001010001010100
322110100012000
4101021101110
52122310140
6240155300
753126160
oct21112124
98410160
104494420
11259a7a7
121608b30
13c14928
1484dca0
155dba30
hex449454

4494420 has 192 divisors, whose sum is σ = 16934400. Its totient is φ = 967680.

The previous prime is 4494401. The next prime is 4494463. The reversal of 4494420 is 244944.

It is a super-2 number, since 2×44944202 = 40399622272800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 109600 + ... + 109640.

It is an arithmetic number, because the mean of its divisors is an integer number (88200).

Almost surely, 24494420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4494420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8467200).

4494420 is an abundant number, since it is smaller than the sum of its proper divisors (12439980).

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

4494420 is a wasteful number, since it uses less digits than its factorization.

4494420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 4494420 is about 2120.0047169759. The cubic root of 4494420 is about 165.0280943897.

The spelling of 4494420 in words is "four million, four hundred ninety-four thousand, four hundred twenty".