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1489357056 = 2831133147
BaseRepresentation
bin101100011000101…
…1100100100000000
310211210111011210110
41120301130210000
511022233411211
6403442031320
751623216565
oct13061344400
93753434713
101489357056
116a4781000
12356948540
131a9736b85
14101b3286c
158ab45ea6
hex58c5c900

1489357056 has 288 divisors, whose sum is σ = 4596350976. Its totient is φ = 427468800.

The previous prime is 1489357049. The next prime is 1489357091. The reversal of 1489357056 is 6507539841.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 1489356996 and 1489357014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31688425 + ... + 31688471.

It is an arithmetic number, because the mean of its divisors is an integer number (15959552).

Almost surely, 21489357056 is an apocalyptic number.

1489357056 is a gapful number since it is divisible by the number (16) 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 1489357056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2298175488).

1489357056 is an abundant number, since it is smaller than the sum of its proper divisors (3106993920).

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

1489357056 is an equidigital number, since it uses as much as digits as its factorization.

1489357056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 48.

The square root of 1489357056 is about 38592.1890542633. The cubic root of 1489357056 is about 1142.0004518857. Note that the first 3 decimals are identical.

The spelling of 1489357056 in words is "one billion, four hundred eighty-nine million, three hundred fifty-seven thousand, fifty-six".