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306392425 = 5283149991
BaseRepresentation
bin10010010000110…
…010110101101001
3210100112100101121
4102100302311221
51111414024200
650223015241
710410202243
oct2220626551
9710470347
10306392425
11147a50189
128673a521
134b6285c1
142c999093
151bd72e1a
hex12432d69

306392425 has 24 divisors (see below), whose sum is σ = 387475200. Its totient is φ = 240292800.

The previous prime is 306392419. The next prime is 306392431. The reversal of 306392425 is 524293603.

It is an interprime number because it is at equal distance from previous prime (306392419) and next prime (306392431).

It is not a de Polignac number, because 306392425 - 25 = 306392393 is a prime.

It is an unprimeable number.

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, 308680 + ... + 309670.

It is an arithmetic number, because the mean of its divisors is an integer number (16144800).

Almost surely, 2306392425 is an apocalyptic number.

It is an amenable number.

306392425 is a deficient number, since it is larger than the sum of its proper divisors (81082775).

306392425 is a wasteful number, since it uses less digits than its factorization.

306392425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233 (or 1228 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 306392425 is about 17504.0688127075. The cubic root of 306392425 is about 674.1543502366.

The spelling of 306392425 in words is "three hundred six million, three hundred ninety-two thousand, four hundred twenty-five".

Divisors: 1 5 25 83 149 415 745 991 2075 3725 4955 12367 24775 61835 82253 147659 309175 411265 738295 2056325 3691475 12255697 61278485 306392425