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1427485 = 5285497
BaseRepresentation
bin101011100100000011101
32200112010211
411130200131
5331134420
650332421
715063523
oct5344035
92615124
101427485
11895544
1258a111
133ac987
14292313
151d2e5a
hex15c81d

1427485 has 4 divisors (see below), whose sum is σ = 1712988. Its totient is φ = 1141984.

The previous prime is 1427483. The next prime is 1427501. The reversal of 1427485 is 5847241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5847241 = 29201629.

It can be written as a sum of positive squares in 2 ways, for example, as 465124 + 962361 = 682^2 + 981^2 .

It is a cyclic number.

It is not a de Polignac number, because 1427485 - 21 = 1427483 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142744 + ... + 142753.

It is an arithmetic number, because the mean of its divisors is an integer number (428247).

21427485 is an apocalyptic number.

It is an amenable number.

1427485 is a deficient number, since it is larger than the sum of its proper divisors (285503).

1427485 is an equidigital number, since it uses as much as digits as its factorization.

1427485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285502.

The product of its digits is 8960, while the sum is 31.

The square root of 1427485 is about 1194.7740372137. The cubic root of 1427485 is about 112.5962304200.

The spelling of 1427485 in words is "one million, four hundred twenty-seven thousand, four hundred eighty-five".

Divisors: 1 5 285497 1427485