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1075420 = 225173163
BaseRepresentation
bin100000110100011011100
32000122012101
410012203130
5233403140
635014444
712066223
oct4064334
92018171
101075420
11674a85
1243a424
132b8658
141ddcba
1516399a
hex1068dc

1075420 has 24 divisors (see below), whose sum is σ = 2391984. Its totient is φ = 404736.

The previous prime is 1075409. The next prime is 1075429. The reversal of 1075420 is 245701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1075429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1242 + ... + 1921.

It is an arithmetic number, because the mean of its divisors is an integer number (99666).

21075420 is an apocalyptic number.

1075420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1075420 is an abundant number, since it is smaller than the sum of its proper divisors (1316564).

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

1075420 is a wasteful number, since it uses less digits than its factorization.

1075420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3189 (or 3187 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 1075420 is about 1037.0245898724. The cubic root of 1075420 is about 102.4533200096.

The spelling of 1075420 in words is "one million, seventy-five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 3163 6326 12652 15815 31630 53771 63260 107542 215084 268855 537710 1075420