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1489884448 = 25137173691
BaseRepresentation
bin101100011001101…
…1101010100100000
310211211110222020111
41120303131110200
511022402300243
6403501221104
751630544303
oct13063352440
93754428214
101489884448
116a5001268
12356b61794
131a988cc40
14101c2cb3a
158abec39d
hex58cdd520

1489884448 has 96 divisors (see below), whose sum is σ = 3251912832. Its totient is φ = 667699200.

The previous prime is 1489884433. The next prime is 1489884469. The reversal of 1489884448 is 8444889841.

It is a junction number, because it is equal to n+sod(n) for n = 1489884392 and 1489884401.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2155783 + ... + 2156473.

It is an arithmetic number, because the mean of its divisors is an integer number (33874092).

Almost surely, 21489884448 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 1489884448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1625956416).

1489884448 is an abundant number, since it is smaller than the sum of its proper divisors (1762028384).

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

1489884448 is a wasteful number, since it uses less digits than its factorization.

1489884448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858 (or 850 counting only the distinct ones).

The product of its digits is 9437184, while the sum is 58.

The square root of 1489884448 is about 38599.0213347437. The cubic root of 1489884448 is about 1142.1352328243.

The spelling of 1489884448 in words is "one billion, four hundred eighty-nine million, eight hundred eighty-four thousand, four hundred forty-eight".

Divisors: 1 2 4 8 13 16 26 32 52 71 73 104 142 146 208 284 292 416 568 584 691 923 949 1136 1168 1382 1846 1898 2272 2336 2764 3692 3796 5183 5528 7384 7592 8983 10366 11056 14768 15184 17966 20732 22112 29536 30368 35932 41464 49061 50443 67379 71864 82928 98122 100886 134758 143728 165856 196244 201772 269516 287456 392488 403544 539032 637793 655759 784976 807088 1078064 1275586 1311518 1569952 1614176 2156128 2551172 2623036 3581453 5102344 5246072 7162906 10204688 10492144 14325812 20409376 20984288 28651624 46558889 57303248 93117778 114606496 186235556 372471112 744942224 1489884448