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1420316 = 221720887
BaseRepresentation
bin101011010110000011100
32200011022022
411122300130
5330422231
650235312
715033602
oct5326034
92604268
101420316
11890117
12585b38
133a9631
1428d872
151d0c7b
hex15ac1c

1420316 has 12 divisors (see below), whose sum is σ = 2631888. Its totient is φ = 668352.

The previous prime is 1420303. The next prime is 1420357. The reversal of 1420316 is 6130241.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 1420294 and 1420303.

It is a congruent number.

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, 10376 + ... + 10511.

It is an arithmetic number, because the mean of its divisors is an integer number (219324).

21420316 is an apocalyptic number.

It is an amenable number.

1420316 is a deficient number, since it is larger than the sum of its proper divisors (1211572).

1420316 is a wasteful number, since it uses less digits than its factorization.

1420316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20908 (or 20906 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1420316 is about 1191.7701120602. The cubic root of 1420316 is about 112.4074234278.

Adding to 1420316 its reverse (6130241), we get a palindrome (7550557).

The spelling of 1420316 in words is "one million, four hundred twenty thousand, three hundred sixteen".

Divisors: 1 2 4 17 34 68 20887 41774 83548 355079 710158 1420316