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1489750068 = 223298351577
BaseRepresentation
bin101100011001011…
…1100100000110100
310211211020010220110
41120302330200310
511022334000233
6403454303020
751626444442
oct13062744064
93754203813
101489750068
116a4a1a304
12356ab7a70
131a9843a21
14101bd5b92
158abc2663
hex58cbc834

1489750068 has 48 divisors (see below), whose sum is σ = 3639343680. Its totient is φ = 473673984.

The previous prime is 1489750063. The next prime is 1489750099. The reversal of 1489750068 is 8600579841.

It is a junction number, because it is equal to n+sod(n) for n = 1489749999 and 1489750026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489750061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3096 + ... + 54672.

It is an arithmetic number, because the mean of its divisors is an integer number (75819660).

Almost surely, 21489750068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1489750068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1819671840).

1489750068 is an abundant number, since it is smaller than the sum of its proper divisors (2149593612).

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

1489750068 is a wasteful number, since it uses less digits than its factorization.

1489750068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51696 (or 51694 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 1489750068 is about 38597.2805777816. The cubic root of 1489750068 is about 1142.1008935287.

The spelling of 1489750068 in words is "one billion, four hundred eighty-nine million, seven hundred fifty thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 29 58 83 87 116 166 174 249 332 348 498 996 2407 4814 7221 9628 14442 28884 51577 103154 154731 206308 309462 618924 1495733 2991466 4280891 4487199 5982932 8561782 8974398 12842673 17123564 17948796 25685346 51370692 124145839 248291678 372437517 496583356 744875034 1489750068