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1214480000 = 2754171947
BaseRepresentation
bin100100001100011…
…0111111010000000
310010122020222100202
41020120313322000
54441401330000
6320302304332
742044624006
oct11030677200
93118228322
101214480000
115735a6888
1229a8880a8
131647c4226
14b741ca76
157194add5
hex48637e80

1214480000 has 320 divisors, whose sum is σ = 3441398400. Its totient is φ = 423936000.

The previous prime is 1214479999. The next prime is 1214480023. The reversal of 1214480000 is 844121.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (20).

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 39 ways as a sum of consecutive naturals, for example, 25839977 + ... + 25840023.

It is an arithmetic number, because the mean of its divisors is an integer number (10754370).

Almost surely, 21214480000 is an apocalyptic number.

1214480000 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 1214480000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1720699200).

1214480000 is an abundant number, since it is smaller than the sum of its proper divisors (2226918400).

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

1214480000 is an equidigital number, since it uses as much as digits as its factorization.

1214480000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1214480000 is about 34849.3902385680. The cubic root of 1214480000 is about 1066.9157404462.

The spelling of 1214480000 in words is "one billion, two hundred fourteen million, four hundred eighty thousand".