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1423111200 = 2535272329127
BaseRepresentation
bin101010011010010…
…1111010000100000
310200011211112120020
41110310233100200
510403304024300
6353114113440
750160150150
oct12464572040
93604745506
101423111200
11670344565
1233871b880
13198ab1044
14d700a760
1584e0c8a0
hex54d2f420

1423111200 has 576 divisors, whose sum is σ = 5759631360. Its totient is φ = 298045440.

The previous prime is 1423111199. The next prime is 1423111213. The reversal of 1423111200 is 21113241.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1423111200.

It is an unprimeable number.

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 in 95 ways as a sum of consecutive naturals, for example, 11205537 + ... + 11205663.

It is an arithmetic number, because the mean of its divisors is an integer number (9999360).

Almost surely, 21423111200 is an apocalyptic number.

1423111200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1423111200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2879815680).

1423111200 is an abundant number, since it is smaller than the sum of its proper divisors (4336520160).

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

1423111200 is a wasteful number, since it uses less digits than its factorization.

1423111200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1423111200 is about 37724.1461135968. The cubic root of 1423111200 is about 1124.8111485466.

Adding to 1423111200 its reverse (21113241), we get a palindrome (1444224441).

The spelling of 1423111200 in words is "one billion, four hundred twenty-three million, one hundred eleven thousand, two hundred".