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1428956 = 22357239
BaseRepresentation
bin101011100110111011100
32200121011022
411130313130
5331211311
650343312
715101024
oct5346734
92617138
101428956
11896661
1258ab38
133b0549
14292a84
151d35db
hex15cddc

1428956 has 6 divisors (see below), whose sum is σ = 2500680. Its totient is φ = 714476.

The previous prime is 1428953. The next prime is 1428979. The reversal of 1428956 is 6598241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428953) 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 as a sum of consecutive naturals, namely, 178616 + ... + 178623.

It is an arithmetic number, because the mean of its divisors is an integer number (416780).

21428956 is an apocalyptic number.

It is an amenable number.

1428956 is a deficient number, since it is larger than the sum of its proper divisors (1071724).

1428956 is a wasteful number, since it uses less digits than its factorization.

1428956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357243 (or 357241 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 1428956 is about 1195.3894762796. The cubic root of 1428956 is about 112.6348933353.

The spelling of 1428956 in words is "one million, four hundred twenty-eight thousand, nine hundred fifty-six".

Divisors: 1 2 4 357239 714478 1428956