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1427120 = 24517839
BaseRepresentation
bin101011100011010110000
32200111122022
411130122300
5331131440
650331012
715062462
oct5343260
92614568
101427120
11895242
12589a68
133ac766
14292132
151d2cb5
hex15c6b0

1427120 has 20 divisors (see below), whose sum is σ = 3318240. Its totient is φ = 570816.

The previous prime is 1427117. The next prime is 1427141. The reversal of 1427120 is 217241.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8840 + ... + 8999.

It is an arithmetic number, because the mean of its divisors is an integer number (165912).

21427120 is an apocalyptic number.

1427120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1427120 is an abundant number, since it is smaller than the sum of its proper divisors (1891120).

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

1427120 is a wasteful number, since it uses less digits than its factorization.

1427120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17852 (or 17846 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 1427120 is about 1194.6212788997. The cubic root of 1427120 is about 112.5866328580.

The spelling of 1427120 in words is "one million, four hundred twenty-seven thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 17839 35678 71356 89195 142712 178390 285424 356780 713560 1427120