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1443550064 = 24118201989
BaseRepresentation
bin101011000001010…
…1101001101110000
310201121021221102012
41112002231031300
510424022100224
6355124142052
750525654525
oct12602551560
93647257365
101443550064
11680934590
12343537928
131a00b9148
14d9a0b14c
1586ae880e
hex560ad370

1443550064 has 20 divisors (see below), whose sum is σ = 3051140280. Its totient is φ = 656159040.

The previous prime is 1443550051. The next prime is 1443550067. The reversal of 1443550064 is 4600553441.

It is a self number, because there is not a number n which added to its sum of digits gives 1443550064.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1443550067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4100819 + ... + 4101170.

It is an arithmetic number, because the mean of its divisors is an integer number (152557014).

Almost surely, 21443550064 is an apocalyptic number.

It is an amenable number.

1443550064 is an abundant number, since it is smaller than the sum of its proper divisors (1607590216).

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

1443550064 is a wasteful number, since it uses less digits than its factorization.

1443550064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8202008 (or 8202002 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 1443550064 is about 37994.0793282322. The cubic root of 1443550064 is about 1130.1704559213.

The spelling of 1443550064 in words is "one billion, four hundred forty-three million, five hundred fifty thousand, sixty-four".

Divisors: 1 2 4 8 11 16 22 44 88 176 8201989 16403978 32807956 65615912 90221879 131231824 180443758 360887516 721775032 1443550064