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1420486 = 217411019
BaseRepresentation
bin101011010110011000110
32200011112121
411122303012
5330423421
650240154
715034234
oct5326306
92604477
101420486
11890261
1258605a
133a9732
1428d954
151d0d41
hex15acc6

1420486 has 16 divisors (see below), whose sum is σ = 2313360. Its totient is φ = 651520.

The previous prime is 1420483. The next prime is 1420493. The reversal of 1420486 is 6840241.

It is a self number, because there is not a number n which added to its sum of digits gives 1420486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 885 + ... + 1903.

It is an arithmetic number, because the mean of its divisors is an integer number (144585).

21420486 is an apocalyptic number.

1420486 is a deficient number, since it is larger than the sum of its proper divisors (892874).

1420486 is a wasteful number, since it uses less digits than its factorization.

1420486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 1420486 is about 1191.8414324062. The cubic root of 1420486 is about 112.4119079932.

The spelling of 1420486 in words is "one million, four hundred twenty thousand, four hundred eighty-six".

Divisors: 1 2 17 34 41 82 697 1019 1394 2038 17323 34646 41779 83558 710243 1420486