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1420341 = 31379461
BaseRepresentation
bin101011010110000110101
32200011100020
411122300311
5330422331
650235353
715033636
oct5326065
92604306
101420341
1189013a
12585b59
133a9650
1428d88d
151d0c96
hex15ac35

1420341 has 16 divisors (see below), whose sum is σ = 2069760. Its totient is φ = 861120.

The previous prime is 1420303. The next prime is 1420357. The reversal of 1420341 is 1430241.

It is not a de Polignac number, because 1420341 - 26 = 1420277 is a prime.

1420341 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1420341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420301) 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 15 ways as a sum of consecutive naturals, for example, 2851 + ... + 3311.

It is an arithmetic number, because the mean of its divisors is an integer number (129360).

21420341 is an apocalyptic number.

It is an amenable number.

1420341 is a deficient number, since it is larger than the sum of its proper divisors (649419).

1420341 is a wasteful number, since it uses less digits than its factorization.

1420341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1420341 is about 1191.7806006141. The cubic root of 1420341 is about 112.4080829452.

Adding to 1420341 its reverse (1430241), we get a palindrome (2850582).

The spelling of 1420341 in words is "one million, four hundred twenty thousand, three hundred forty-one".

Divisors: 1 3 13 39 79 237 461 1027 1383 3081 5993 17979 36419 109257 473447 1420341