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1420744200 = 233524783607
BaseRepresentation
bin101010010101110…
…1101011000001000
310200000101021122120
41110223231120020
510402202303300
6352551251240
750131061241
oct12453553010
93600337576
101420744200
11669a78167
12337979b20
13198462855
14d6991cc8
1584ae13a0
hex54aed608

1420744200 has 192 divisors, whose sum is σ = 4559708160. Its totient is φ = 365733120.

The previous prime is 1420744187. The next prime is 1420744207. The reversal of 1420744200 is 24470241.

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

It is not an unprimeable number, because it can be changed into a prime (1420744207) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2340297 + ... + 2340903.

It is an arithmetic number, because the mean of its divisors is an integer number (23748480).

Almost surely, 21420744200 is an apocalyptic number.

1420744200 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 1420744200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2279854080).

1420744200 is an abundant number, since it is smaller than the sum of its proper divisors (3138963960).

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

1420744200 is a wasteful number, since it uses less digits than its factorization.

1420744200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756 (or 747 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 1420744200 is about 37692.7605781269. The cubic root of 1420744200 is about 1124.1871857213.

The spelling of 1420744200 in words is "one billion, four hundred twenty million, seven hundred forty-four thousand, two hundred".