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305241629 = 7211566311
BaseRepresentation
bin10010001100011…
…001111000011101
3210021100212210112
4102030121320131
51111120213004
650142215405
710364340200
oct2214317035
9707325715
10305241629
11147334610
1286284565
134b314864
142c779937
151bbe6e6e
hex12319e1d

305241629 has 12 divisors (see below), whose sum is σ = 387357408. Its totient is φ = 237850200.

The previous prime is 305241577. The next prime is 305241667. The reversal of 305241629 is 926142503.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-305241629 is a prime.

It is a super-3 number, since 3×3052416293 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 305241595 and 305241604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305241229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 282617 + ... + 283694.

It is an arithmetic number, because the mean of its divisors is an integer number (32279784).

Almost surely, 2305241629 is an apocalyptic number.

It is an amenable number.

305241629 is a deficient number, since it is larger than the sum of its proper divisors (82115779).

305241629 is a wasteful number, since it uses less digits than its factorization.

305241629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566336 (or 566329 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 305241629 is about 17471.1656451423. The cubic root of 305241629 is about 673.3092602957.

The spelling of 305241629 in words is "three hundred five million, two hundred forty-one thousand, six hundred twenty-nine".

Divisors: 1 7 11 49 77 539 566311 3964177 6229421 27749239 43605947 305241629