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1428606 = 23279367
BaseRepresentation
bin101011100110001111110
32200120200100
411130301332
5331203411
650341530
715100014
oct5346176
92616610
101428606
11896373
1258a8a6
133b033a
142928b4
151d3456
hex15cc7e

1428606 has 12 divisors (see below), whose sum is σ = 3095352. Its totient is φ = 476196.

The previous prime is 1428601. The next prime is 1428613. The reversal of 1428606 is 6068241.

It is a self number, because there is not a number n which added to its sum of digits gives 1428606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39666 + ... + 39701.

It is an arithmetic number, because the mean of its divisors is an integer number (257946).

21428606 is an apocalyptic number.

1428606 is an abundant number, since it is smaller than the sum of its proper divisors (1666746).

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

1428606 is a wasteful number, since it uses less digits than its factorization.

1428606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79375 (or 79372 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1428606 is about 1195.2430715131. The cubic root of 1428606 is about 112.6256965437.

The spelling of 1428606 in words is "one million, four hundred twenty-eight thousand, six hundred six".

Divisors: 1 2 3 6 9 18 79367 158734 238101 476202 714303 1428606