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1427251200 = 21335223101
BaseRepresentation
bin101010100010010…
…0010000000000000
310200110121212120120
41111010202000000
510410334014300
6353342540240
750240302134
oct12504420000
93613555516
101427251200
11672711a51
12339b97680
1319990054b
14d77a73c4
15854793a0
hex55122000

1427251200 has 336 divisors, whose sum is σ = 4973092416. Its totient is φ = 360448000.

The previous prime is 1427251193. The next prime is 1427251229. The reversal of 1427251200 is 21527241.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14131150 + ... + 14131250.

Almost surely, 21427251200 is an apocalyptic number.

1427251200 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 1427251200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2486546208).

1427251200 is an abundant number, since it is smaller than the sum of its proper divisors (3545841216).

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

1427251200 is a wasteful number, since it uses less digits than its factorization.

1427251200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 1427251200 is about 37778.9782815788. The cubic root of 1427251200 is about 1125.9008290976.

Adding to 1427251200 its reverse (21527241), we get a palindrome (1448778441).

The spelling of 1427251200 in words is "one billion, four hundred twenty-seven million, two hundred fifty-one thousand, two hundred".