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1489479748 = 22715244647
BaseRepresentation
bin101100011000111…
…1010100001000100
310211210201102002121
41120301322201010
511022301322443
6403444415324
751624240361
oct13061724104
93753642077
101489479748
116a48551a9
123569a7544
131a977a983
14101b65468
158ab6c4ed
hex58c7a844

1489479748 has 12 divisors (see below), whose sum is σ = 2643302592. Its totient is φ = 734250440.

The previous prime is 1489479743. The next prime is 1489479757. The reversal of 1489479748 is 8479749841.

It is not an unprimeable number, because it can be changed into a prime (1489479743) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2622040 + ... + 2622607.

It is an arithmetic number, because the mean of its divisors is an integer number (220275216).

Almost surely, 21489479748 is an apocalyptic number.

It is an amenable number.

1489479748 is a deficient number, since it is larger than the sum of its proper divisors (1153822844).

1489479748 is a wasteful number, since it uses less digits than its factorization.

1489479748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5244722 (or 5244720 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 61.

The square root of 1489479748 is about 38593.7786178032. The cubic root of 1489479748 is about 1142.0318100416.

The spelling of 1489479748 in words is "one billion, four hundred eighty-nine million, four hundred seventy-nine thousand, seven hundred forty-eight".

Divisors: 1 2 4 71 142 284 5244647 10489294 20978588 372369937 744739874 1489479748