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1484020660 = 22574201033
BaseRepresentation
bin101100001110100…
…0101101110110100
310211102110001122011
41120131011232310
511014402130120
6403131414004
751526652563
oct13035055664
93742401564
101484020660
116a1766761
12354bb4304
131a85b8c45
14101143bda
158a43ec5a
hex58745bb4

1484020660 has 12 divisors (see below), whose sum is σ = 3116443428. Its totient is φ = 593608256.

The previous prime is 1484020649. The next prime is 1484020663. The reversal of 1484020660 is 660204841.

It can be written as a sum of positive squares in 2 ways, for example, as 544475556 + 939545104 = 23334^2 + 30652^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1484020663) 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, 37100497 + ... + 37100536.

It is an arithmetic number, because the mean of its divisors is an integer number (259703619).

Almost surely, 21484020660 is an apocalyptic number.

1484020660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1484020660 is an abundant number, since it is smaller than the sum of its proper divisors (1632422768).

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

1484020660 is a wasteful number, since it uses less digits than its factorization.

1484020660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74201042 (or 74201040 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 1484020660 is about 38522.9887210222. The cubic root of 1484020660 is about 1140.6348828417.

The spelling of 1484020660 in words is "one billion, four hundred eighty-four million, twenty thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 74201033 148402066 296804132 371005165 742010330 1484020660