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1430312000 = 26531317809
BaseRepresentation
bin101010101000000…
…1101010001000000
310200200101101012112
41111100031101000
510412124441000
6353532314452
750305310555
oct12520152100
93620341175
101430312000
11674412637
1233b012a28
1319a432780
14d7d62a2c
1585881235
hex5540d440

1430312000 has 224 divisors, whose sum is σ = 4044025440. Its totient is φ = 496435200.

The previous prime is 1430311951. The next prime is 1430312003. The reversal of 1430312000 is 2130341.

It can be written as a sum of positive squares in 16 ways, for example, as 778633216 + 651678784 = 27904^2 + 25528^2 .

It is not an unprimeable number, because it can be changed into a prime (1430312003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1767596 + ... + 1768404.

It is an arithmetic number, because the mean of its divisors is an integer number (18053685).

Almost surely, 21430312000 is an apocalyptic number.

1430312000 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 1430312000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2022012720).

1430312000 is an abundant number, since it is smaller than the sum of its proper divisors (2613713440).

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

1430312000 is a wasteful number, since it uses less digits than its factorization.

1430312000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866 (or 846 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1430312000 is about 37819.4658872914. The cubic root of 1430312000 is about 1126.7051016069.

Adding to 1430312000 its reverse (2130341), we get a palindrome (1432442341).

The spelling of 1430312000 in words is "one billion, four hundred thirty million, three hundred twelve thousand".