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6404306027 = 72314216133
BaseRepresentation
bin1011111011011100…
…11111010001101011
3121112022211110021112
411331232133101223
5101104000243102
62535254300535
7314463463100
oct57556372153
917468743245
106404306027
1127970779a9
1212a895774b
137b0a872c2
1444a7b4aa7
1527739c252
hex17db9f46b

6404306027 has 12 divisors (see below), whose sum is σ = 7690228416. Its totient is φ = 5312326320.

The previous prime is 6404306017. The next prime is 6404306033. The reversal of 6404306027 is 7206034046.

It is not a de Polignac number, because 6404306027 - 224 = 6387528811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6404305984 and 6404306002.

It is not an unprimeable number, because it can be changed into a prime (6404306017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2106548 + ... + 2109585.

It is an arithmetic number, because the mean of its divisors is an integer number (640852368).

Almost surely, 26404306027 is an apocalyptic number.

6404306027 is a deficient number, since it is larger than the sum of its proper divisors (1285922389).

6404306027 is a wasteful number, since it uses less digits than its factorization.

6404306027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4216178 (or 4216171 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 6404306027 is about 80026.9081434489. The cubic root of 6404306027 is about 1857.0518319041.

The spelling of 6404306027 in words is "six billion, four hundred four million, three hundred six thousand, twenty-seven".

Divisors: 1 7 31 49 217 1519 4216133 29512931 130700123 206590517 914900861 6404306027