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1422008 = 23767379
BaseRepresentation
bin101011011001010111000
32200020121222
411123022320
5331001013
650251212
715041540
oct5331270
92606558
101422008
11891415
12586b08
133aa333
14290320
151d1508
hex15b2b8

1422008 has 32 divisors (see below), whose sum is σ = 3100800. Its totient is φ = 598752.

The previous prime is 1422007. The next prime is 1422011. The reversal of 1422008 is 8002241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3563 + ... + 3941.

It is an arithmetic number, because the mean of its divisors is an integer number (96900).

21422008 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 1422008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1550400).

1422008 is an abundant number, since it is smaller than the sum of its proper divisors (1678792).

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

1422008 is a wasteful number, since it uses less digits than its factorization.

1422008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459 (or 455 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1422008 is about 1192.4797692204. The cubic root of 1422008 is about 112.4520421103.

Adding to 1422008 its reverse (8002241), we get a palindrome (9424249).

It can be divided in two parts, 14 and 22008, that added together give a palindrome (22022).

The spelling of 1422008 in words is "one million, four hundred twenty-two thousand, eight".

Divisors: 1 2 4 7 8 14 28 56 67 134 268 379 469 536 758 938 1516 1876 2653 3032 3752 5306 10612 21224 25393 50786 101572 177751 203144 355502 711004 1422008