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1428160 = 2654463
BaseRepresentation
bin101011100101011000000
32200120001211
411130223000
5331200120
650335504
715065506
oct5345300
92616054
101428160
11895aa8
1258a594
133b0086
14292676
151d325a
hex15cac0

1428160 has 28 divisors (see below), whose sum is σ = 3401568. Its totient is φ = 571136.

The previous prime is 1428157. The next prime is 1428169. The reversal of 1428160 is 618241.

It is not an unprimeable number, because it can be changed into a prime (1428169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1912 + ... + 2551.

21428160 is an apocalyptic number.

1428160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1428160 is an abundant number, since it is smaller than the sum of its proper divisors (1973408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1428160 is an equidigital number, since it uses as much as digits as its factorization.

1428160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4480 (or 4470 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1428160 is about 1195.0564840207. The cubic root of 1428160 is about 112.6139750266.

It can be divided in two parts, 14281 and 60, that added together give a palindrome (14341).

The spelling of 1428160 in words is "one million, four hundred twenty-eight thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 4463 8926 17852 22315 35704 44630 71408 89260 142816 178520 285632 357040 714080 1428160