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1530305334 = 2321925117827
BaseRepresentation
bin101101100110110…
…1001101100110110
310221122112120021100
41123031221230312
511113224232314
6411503430530
752631244405
oct13315515466
93848476240
101530305334
117158aa058
123685b5446
131b507321c
1410735163c
158e533c09
hex5b369b36

1530305334 has 48 divisors (see below), whose sum is σ = 3504271680. Its totient is φ = 481302000.

The previous prime is 1530305323. The next prime is 1530305369. The reversal of 1530305334 is 4335030351.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1530305298 and 1530305307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76929 + ... + 94755.

It is an arithmetic number, because the mean of its divisors is an integer number (73005660).

Almost surely, 21530305334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1530305334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1752135840).

1530305334 is an abundant number, since it is smaller than the sum of its proper divisors (1973966346).

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

1530305334 is a wasteful number, since it uses less digits than its factorization.

1530305334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18105 (or 18102 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 27.

The square root of 1530305334 is about 39119.1172446414. The cubic root of 1530305334 is about 1152.3719999070.

Adding to 1530305334 its reverse (4335030351), we get a palindrome (5865335685).

The spelling of 1530305334 in words is "one billion, five hundred thirty million, three hundred five thousand, three hundred thirty-four".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 251 342 502 753 1506 2259 4518 4769 9538 14307 17827 28614 35654 42921 53481 85842 106962 160443 320886 338713 677426 1016139 2032278 3048417 4474577 6096834 8949154 13423731 26847462 40271193 80542386 85016963 170033926 255050889 510101778 765152667 1530305334