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1421458200 = 233352292313
BaseRepresentation
bin101010010111001…
…1011101100011000
310200001201120002000
41110232123230120
510402343130300
6353014441000
750140124001
oct12456335430
93601646060
101421458200
1166a415648
12338063160
13198652836
14d6ada1a8
1584bd2c00
hex54b9bb18

1421458200 has 288 divisors, whose sum is σ = 5086988400. Its totient is φ = 364815360.

The previous prime is 1421458141. The next prime is 1421458201. The reversal of 1421458200 is 28541241.

1421458200 is a `hidden beast` number, since 1 + 4 + 2 + 1 + 458 + 200 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421458201) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4541244 + ... + 4541556.

Almost surely, 21421458200 is an apocalyptic number.

1421458200 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 1421458200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2543494200).

1421458200 is an abundant number, since it is smaller than the sum of its proper divisors (3665530200).

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

1421458200 is a wasteful number, since it uses less digits than its factorization.

1421458200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 1421458200 is about 37702.2307032356. The cubic root of 1421458200 is about 1124.3754755924.

Adding to 1421458200 its reverse (28541241), we get a palindrome (1449999441).

The spelling of 1421458200 in words is "one billion, four hundred twenty-one million, four hundred fifty-eight thousand, two hundred".