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1427020 = 225710193
BaseRepresentation
bin101011100011001001100
32200111111121
411130121030
5331131040
650330324
715062260
oct5343114
92614447
101427020
11895161
125899a4
133ac6ba
142920a0
151d2c4a
hex15c64c

1427020 has 24 divisors (see below), whose sum is σ = 3425184. Its totient is φ = 489216.

The previous prime is 1427017. The next prime is 1427021. The reversal of 1427020 is 207241.

It is a junction number, because it is equal to n+sod(n) for n = 1426985 and 1427003.

It is not an unprimeable number, because it can be changed into a prime (1427021) 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, 4957 + ... + 5236.

It is an arithmetic number, because the mean of its divisors is an integer number (142716).

21427020 is an apocalyptic number.

1427020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1427020 is an abundant number, since it is smaller than the sum of its proper divisors (1998164).

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

1427020 is a wasteful number, since it uses less digits than its factorization.

1427020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10209 (or 10207 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 1427020 is about 1194.5794238978. The cubic root of 1427020 is about 112.5840031034.

The spelling of 1427020 in words is "one million, four hundred twenty-seven thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 10193 20386 40772 50965 71351 101930 142702 203860 285404 356755 713510 1427020