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305230525424 = 241119591547069
BaseRepresentation
bin1000111000100010010…
…10000011001111110000
31002011212001002020201222
410130101022003033300
520000103003303144
6352115421244212
731023616441526
oct4342112031760
91064761066658
10305230525424
111084a1746490
124b1a5103668
1322a24671976
1410ab7a90316
157e1699e2ee
hex47112833f0

305230525424 has 80 divisors (see below), whose sum is σ = 690612048000. Its totient is φ = 129211119360.

The previous prime is 305230525393. The next prime is 305230525429. The reversal of 305230525424 is 424525032503.

It is a super-2 number, since 2×3052305254242 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305230525429) 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, 576239 + ... + 970830.

It is an arithmetic number, because the mean of its divisors is an integer number (8632650600).

Almost surely, 2305230525424 is an apocalyptic number.

It is an amenable number.

305230525424 is an abundant number, since it is smaller than the sum of its proper divisors (385381522576).

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

305230525424 is a wasteful number, since it uses less digits than its factorization.

305230525424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547166 (or 1547160 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 35.

Adding to 305230525424 its reverse (424525032503), we get a palindrome (729755557927).

The spelling of 305230525424 in words is "three hundred five billion, two hundred thirty million, five hundred twenty-five thousand, four hundred twenty-four".

Divisors: 1 2 4 8 11 16 19 22 38 44 59 76 88 118 152 176 209 236 304 418 472 649 836 944 1121 1298 1672 2242 2596 3344 4484 5192 8968 10384 12331 17936 24662 49324 98648 197296 1547069 3094138 6188276 12376552 17017759 24753104 29394311 34035518 58788622 68071036 91277071 117577244 136142072 182554142 235154488 272284144 323337421 365108284 470308976 646674842 730216568 1004047781 1293349684 1460433136 1734264349 2008095562 2586699368 3468528698 4016191124 5173398736 6937057396 8032382248 13874114792 16064764496 19076907839 27748229584 38153815678 76307631356 152615262712 305230525424