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475047641 = 2813175333
BaseRepresentation
bin11100010100001…
…010011011011001
31020002212220212002
4130110022123121
51433103011031
6115045530345
714525560355
oct3424123331
91202786762
10475047641
11224174362
121131139b5
13775597a3
144713c465
152ba89ccb
hex1c50a6d9

475047641 has 8 divisors (see below), whose sum is σ = 478331784. Its totient is φ = 471775360.

The previous prime is 475047631. The next prime is 475047647. The reversal of 475047641 is 146740574.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 140304025 + 334743616 = 11845^2 + 18296^2 .

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 475047641 - 214 = 475031257 is a prime.

It is a super-2 number, since 2×4750476412 = 451340522439329762, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 475047595 and 475047604.

It is not an unprimeable number, because it can be changed into a prime (475047647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86411 + ... + 91743.

It is an arithmetic number, because the mean of its divisors is an integer number (59791473).

Almost surely, 2475047641 is an apocalyptic number.

It is an amenable number.

475047641 is a deficient number, since it is larger than the sum of its proper divisors (3284143).

475047641 is a wasteful number, since it uses less digits than its factorization.

475047641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5931.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 475047641 is about 21795.5876497974. The cubic root of 475047641 is about 780.2714598643.

The spelling of 475047641 in words is "four hundred seventy-five million, forty-seven thousand, six hundred forty-one".

Divisors: 1 281 317 5333 89077 1498573 1690561 475047641