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1420248 = 23317592
BaseRepresentation
bin101011010101111011000
32200011012210
411122233120
5330421443
650235120
715033444
oct5325730
92604183
101420248
11890065
12585aa0
133a95ab
1428d824
151d0c33
hex15abd8

1420248 has 48 divisors (see below), whose sum is σ = 3824280. Its totient is φ = 438016.

The previous prime is 1420207. The next prime is 1420253. The reversal of 1420248 is 8420241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24043 + ... + 24101.

21420248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1420248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1912140).

1420248 is an abundant number, since it is smaller than the sum of its proper divisors (2404032).

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

1420248 is a wasteful number, since it uses less digits than its factorization.

1420248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1420248 is about 1191.7415827267. The cubic root of 1420248 is about 112.4056295015.

Adding to 1420248 its reverse (8420241), we get a palindrome (9840489).

The spelling of 1420248 in words is "one million, four hundred twenty thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 59 68 102 118 136 177 204 236 354 408 472 708 1003 1416 2006 3009 3481 4012 6018 6962 8024 10443 12036 13924 20886 24072 27848 41772 59177 83544 118354 177531 236708 355062 473416 710124 1420248