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305422125 = 3531674877
BaseRepresentation
bin10010001101000…
…101111100101101
3210021201001101120
4102031011330231
51111142002000
650150131153
710366021341
oct2215057455
9707631346
10305422125
11147448188
1286350ab9
134b378a68
142c7c5621
151bc306a0
hex12345f2d

305422125 has 32 divisors (see below), whose sum is σ = 511370496. Its totient is φ = 161883200.

The previous prime is 305422123. The next prime is 305422189. The reversal of 305422125 is 521224503.

It is not a de Polignac number, because 305422125 - 21 = 305422123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 305422095 and 305422104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305422123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60187 + ... + 65063.

It is an arithmetic number, because the mean of its divisors is an integer number (15980328).

Almost surely, 2305422125 is an apocalyptic number.

It is an amenable number.

305422125 is a deficient number, since it is larger than the sum of its proper divisors (205948371).

305422125 is a wasteful number, since it uses less digits than its factorization.

305422125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5062 (or 5052 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 305422125 is about 17476.3304214586. The cubic root of 305422125 is about 673.4419482716.

Adding to 305422125 its reverse (521224503), we get a palindrome (826646628).

The spelling of 305422125 in words is "three hundred five million, four hundred twenty-two thousand, one hundred twenty-five".

Divisors: 1 3 5 15 25 75 125 167 375 501 835 2505 4175 4877 12525 14631 20875 24385 62625 73155 121925 365775 609625 814459 1828875 2443377 4072295 12216885 20361475 61084425 101807375 305422125