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305055828 = 223371136683
BaseRepresentation
bin10010001011101…
…100100001010100
3210021000102221000
4102023230201110
51111043241303
650134223300
710362634410
oct2213544124
9707012830
10305055828
11147217a60
12861b4b30
134b27b10c
142c72bd40
151bbabda3
hex122ec854

305055828 has 96 divisors (see below), whose sum is σ = 986065920. Its totient is φ = 79233120.

The previous prime is 305055781. The next prime is 305055847. The reversal of 305055828 is 828550503.

305055828 is a `hidden beast` number, since 30 + 50 + 558 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 305055792 and 305055801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10026 + ... + 26657.

It is an arithmetic number, because the mean of its divisors is an integer number (10271520).

Almost surely, 2305055828 is an apocalyptic number.

It is an amenable number.

305055828 is an abundant number, since it is smaller than the sum of its proper divisors (681010092).

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

305055828 is a wasteful number, since it uses less digits than its factorization.

305055828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36714 (or 36706 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 305055828 is about 17465.8474744285. The cubic root of 305055828 is about 673.1726178090.

The spelling of 305055828 in words is "three hundred five million, fifty-five thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 7 9 11 12 14 18 21 22 27 28 33 36 42 44 54 63 66 77 84 99 108 126 132 154 189 198 231 252 297 308 378 396 462 594 693 756 924 1188 1386 2079 2772 4158 8316 36683 73366 110049 146732 220098 256781 330147 403513 440196 513562 660294 770343 807026 990441 1027124 1210539 1320588 1540686 1614052 1980882 2311029 2421078 2824591 3081372 3631617 3961764 4622058 4842156 5649182 6933087 7263234 8473773 9244116 10894851 11298364 13866174 14526468 16947546 21789702 25421319 27732348 33895092 43579404 50842638 76263957 101685276 152527914 305055828