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305760530 = 25436710613
BaseRepresentation
bin10010001110011…
…000100100010010
3210022100020121002
4102032120210102
51111233314110
650201302002
710401631055
oct2216304422
9708306532
10305760530
11147659459
1286494902
134b466aba
142c872a9c
151bc9aaa5
hex12398912

305760530 has 32 divisors (see below), whose sum is σ = 571627584. Its totient is φ = 117665856.

The previous prime is 305760523. The next prime is 305760557. The reversal of 305760530 is 35067503.

It is a junction number, because it is equal to n+sod(n) for n = 305760493 and 305760502.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 23504 + ... + 34116.

It is an arithmetic number, because the mean of its divisors is an integer number (17863362).

Almost surely, 2305760530 is an apocalyptic number.

305760530 is a deficient number, since it is larger than the sum of its proper divisors (265867054).

305760530 is a wasteful number, since it uses less digits than its factorization.

305760530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10730.

The product of its (nonzero) digits is 9450, while the sum is 29.

The square root of 305760530 is about 17486.0095504949. The cubic root of 305760530 is about 673.6905790317.

The spelling of 305760530 in words is "three hundred five million, seven hundred sixty thousand, five hundred thirty".

Divisors: 1 2 5 10 43 67 86 134 215 335 430 670 2881 5762 10613 14405 21226 28810 53065 106130 456359 711071 912718 1422142 2281795 3555355 4563590 7110710 30576053 61152106 152880265 305760530