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1420463 = 11263491
BaseRepresentation
bin101011010110010101111
32200011111202
411122302233
5330423323
650240115
715034202
oct5326257
92604452
101420463
11890240
1258603b
133a9715
1428d939
151d0d28
hex15acaf

1420463 has 8 divisors (see below), whose sum is σ = 1558656. Its totient is φ = 1283800.

The previous prime is 1420429. The next prime is 1420483. The reversal of 1420463 is 3640241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1420463 - 26 = 1420399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420403) 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 7 ways as a sum of consecutive naturals, for example, 2648 + ... + 3138.

It is an arithmetic number, because the mean of its divisors is an integer number (194832).

21420463 is an apocalyptic number.

1420463 is a deficient number, since it is larger than the sum of its proper divisors (138193).

1420463 is a wasteful number, since it uses less digits than its factorization.

1420463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1420463 is about 1191.8317834325. The cubic root of 1420463 is about 112.4113012788.

The spelling of 1420463 in words is "one million, four hundred twenty thousand, four hundred sixty-three".

Divisors: 1 11 263 491 2893 5401 129133 1420463