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430028300728 = 23134798632333
BaseRepresentation
bin1100100000111111010…
…11110010000110111000
31112002222102010002200001
412100133223302012320
524021144221110403
6525315142522344
743032334150165
oct6203753620670
91462872102601
10430028300728
11156412846164
126b4137363b4
1331722831b20
1416b5629706c
15b2bcc62c1d
hex641faf21b8

430028300728 has 32 divisors (see below), whose sum is σ = 870139267200. Its totient is φ = 198060225408.

The previous prime is 430028300717. The next prime is 430028300729. The reversal of 430028300728 is 827003820034.

It is a happy number.

It is a super-2 number, since 2×4300283007282 (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 (430028300729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4266351 + ... + 4365982.

It is an arithmetic number, because the mean of its divisors is an integer number (27191852100).

Almost surely, 2430028300728 is an apocalyptic number.

It is an amenable number.

430028300728 is an abundant number, since it is smaller than the sum of its proper divisors (440110966472).

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

430028300728 is a wasteful number, since it uses less digits than its factorization.

430028300728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8632831 (or 8632827 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

The spelling of 430028300728 in words is "four hundred thirty billion, twenty-eight million, three hundred thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 13 26 52 104 479 958 1916 3832 6227 12454 24908 49816 8632333 17264666 34529332 69058664 112220329 224440658 448881316 897762632 4134887507 8269775014 16539550028 33079100056 53753537591 107507075182 215014150364 430028300728