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306383245 = 5772712041
BaseRepresentation
bin10010010000110…
…000100110001101
3210100111212210121
4102100300212031
51111413230440
650222504541
710410133420
oct2220604615
9710455717
10306383245
11147a442a3
1286735151
134b62437c
142c9959b7
151bd7034a
hex1243098d

306383245 has 16 divisors (see below), whose sum is σ = 420795648. Its totient is φ = 209784960.

The previous prime is 306383239. The next prime is 306383267. The reversal of 306383245 is 542383603.

It is not a de Polignac number, because 306383245 - 215 = 306350477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 306383245.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19425 + ... + 31465.

It is an arithmetic number, because the mean of its divisors is an integer number (26299728).

Almost surely, 2306383245 is an apocalyptic number.

306383245 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

306383245 is a deficient number, since it is larger than the sum of its proper divisors (114412403).

306383245 is a wasteful number, since it uses less digits than its factorization.

306383245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12780.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 306383245 is about 17503.8065859972. The cubic root of 306383245 is about 674.1476172603.

The spelling of 306383245 in words is "three hundred six million, three hundred eighty-three thousand, two hundred forty-five".

Divisors: 1 5 7 35 727 3635 5089 12041 25445 60205 84287 421435 8753807 43769035 61276649 306383245