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306996445 = 578771327
BaseRepresentation
bin10010010011000…
…110010011011101
3210101200000221201
4102103012103131
51112042341240
650243555501
710415266240
oct2223062335
9711600851
10306996445
11148322a78
128698bb91
134b7aa502
142cab5257
151be41d9a
hex124c64dd

306996445 has 8 divisors (see below), whose sum is σ = 421023744. Its totient is φ = 210511824.

The previous prime is 306996427. The next prime is 306996451. The reversal of 306996445 is 544699603.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 306996445 - 211 = 306994397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 306996395 and 306996404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4385629 + ... + 4385698.

It is an arithmetic number, because the mean of its divisors is an integer number (52627968).

Almost surely, 2306996445 is an apocalyptic number.

306996445 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

306996445 is a deficient number, since it is larger than the sum of its proper divisors (114027299).

306996445 is an equidigital number, since it uses as much as digits as its factorization.

306996445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8771339.

The product of its (nonzero) digits is 699840, while the sum is 46.

The square root of 306996445 is about 17521.3140203582. The cubic root of 306996445 is about 674.5970672497.

The spelling of 306996445 in words is "three hundred six million, nine hundred ninety-six thousand, four hundred forty-five".

Divisors: 1 5 7 35 8771327 43856635 61399289 306996445