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305302425 = 3527355763
BaseRepresentation
bin10010001100101…
…000101110011001
3210021110222012020
4102030220232121
51111124134200
650143405053
710365012351
oct2214505631
9707428166
10305302425
1114737625a
12862b3789
134b33642c
142c793b61
151bc09ea0
hex12328b99

305302425 has 24 divisors (see below), whose sum is σ = 511690464. Its totient is φ = 160594560.

The previous prime is 305302421. The next prime is 305302427. The reversal of 305302425 is 524203503.

It is not a de Polignac number, because 305302425 - 22 = 305302421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 305302395 and 305302404.

It is not an unprimeable number, because it can be changed into a prime (305302421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22407 + ... + 33356.

It is an arithmetic number, because the mean of its divisors is an integer number (21320436).

Almost surely, 2305302425 is an apocalyptic number.

It is an amenable number.

305302425 is a deficient number, since it is larger than the sum of its proper divisors (206388039).

305302425 is a wasteful number, since it uses less digits than its factorization.

305302425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55849 (or 55844 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 305302425 is about 17472.9054538734. The cubic root of 305302425 is about 673.3539590835.

Adding to 305302425 its reverse (524203503), we get a palindrome (829505928).

The spelling of 305302425 in words is "three hundred five million, three hundred two thousand, four hundred twenty-five".

Divisors: 1 3 5 15 25 73 75 219 365 1095 1825 5475 55763 167289 278815 836445 1394075 4070699 4182225 12212097 20353495 61060485 101767475 305302425