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1428150 = 23529521
BaseRepresentation
bin101011100101010110110
32200120001110
411130222312
5331200100
650335450
715065463
oct5345266
92616043
101428150
11895a99
1258a586
133b0079
1429266a
151d3250
hex15cab6

1428150 has 24 divisors (see below), whose sum is σ = 3542184. Its totient is φ = 380800.

The previous prime is 1428143. The next prime is 1428151. The reversal of 1428150 is 518241.

It is a super-2 number, since 2×14281502 = 4079224845000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4611 + ... + 4910.

It is an arithmetic number, because the mean of its divisors is an integer number (147591).

21428150 is an apocalyptic number.

1428150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1428150 is an abundant number, since it is smaller than the sum of its proper divisors (2114034).

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

1428150 is a wasteful number, since it uses less digits than its factorization.

1428150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9536 (or 9531 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 1428150 is about 1195.0523001108. The cubic root of 1428150 is about 112.6137121843.

Subtracting from 1428150 its reverse (518241), we obtain a palindrome (909909).

The spelling of 1428150 in words is "one million, four hundred twenty-eight thousand, one hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 9521 19042 28563 47605 57126 95210 142815 238025 285630 476050 714075 1428150