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305850225 = 3524078003
BaseRepresentation
bin10010001110101…
…110011101110001
3210022111210122010
4102032232131301
51111244201400
650203233133
710402453422
oct2216563561
9708453563
10305850225
1114770a88a
12865187a9
134b498885
142c897649
151bcb7450
hex123ae771

305850225 has 12 divisors (see below), whose sum is σ = 505672496. Its totient is φ = 163120080.

The previous prime is 305850203. The next prime is 305850229. The reversal of 305850225 is 522058503.

It is not a de Polignac number, because 305850225 - 226 = 238741361 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 305850192 and 305850201.

It is not an unprimeable number, because it can be changed into a prime (305850229) 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, 2038927 + ... + 2039076.

Almost surely, 2305850225 is an apocalyptic number.

It is an amenable number.

305850225 is a deficient number, since it is larger than the sum of its proper divisors (199822271).

305850225 is a wasteful number, since it uses less digits than its factorization.

305850225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4078016 (or 4078011 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 305850225 is about 17488.5741271265. The cubic root of 305850225 is about 673.7564484107.

The spelling of 305850225 in words is "three hundred five million, eight hundred fifty thousand, two hundred twenty-five".

Divisors: 1 3 5 15 25 75 4078003 12234009 20390015 61170045 101950075 305850225