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305045532 = 2232111940543
BaseRepresentation
bin10010001011101…
…010000000011100
3210020222220210200
4102023222000130
51111042424112
650134103500
710362562401
oct2213520034
9706886720
10305045532
11147210250
12861aab90
134b27651c
142c7282a8
151bba8cdc
hex122ea01c

305045532 has 72 divisors (see below), whose sum is σ = 885480960. Its totient is φ = 87570720.

The previous prime is 305045497. The next prime is 305045539. The reversal of 305045532 is 235540503.

It is a junction number, because it is equal to n+sod(n) for n = 305045496 and 305045505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305045539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12748 + ... + 27795.

Almost surely, 2305045532 is an apocalyptic number.

It is an amenable number.

305045532 is an abundant number, since it is smaller than the sum of its proper divisors (580435428).

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

305045532 is a wasteful number, since it uses less digits than its factorization.

305045532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40583 (or 40578 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 305045532 is about 17465.5527252933. The cubic root of 305045532 is about 673.1650442628.

The spelling of 305045532 in words is "three hundred five million, forty-five thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 9 11 12 18 19 22 33 36 38 44 57 66 76 99 114 132 171 198 209 228 342 396 418 627 684 836 1254 1881 2508 3762 7524 40543 81086 121629 162172 243258 364887 445973 486516 729774 770317 891946 1337919 1459548 1540634 1783892 2310951 2675838 3081268 4013757 4621902 5351676 6932853 8027514 8473487 9243804 13865706 16055028 16946974 25420461 27731412 33893948 50840922 76261383 101681844 152522766 305045532