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485638379 = 2989188159
BaseRepresentation
bin11100111100100…
…100000011101011
31020211210222121122
4130330210003223
51443310412004
6120104525455
715014600222
oct3474440353
91224728548
10485638379
1122a148336
1211678088b
13797c71b5
14486d7cb9
152c97ccbe
hex1cf240eb

485638379 has 8 divisors (see below), whose sum is σ = 508032000. Its totient is φ = 463621312.

The previous prime is 485638369. The next prime is 485638409. The reversal of 485638379 is 973836584.

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 485638379 - 224 = 468861163 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 485638379.

It is not an unprimeable number, because it can be changed into a prime (485638369) 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, 91499 + ... + 96660.

It is an arithmetic number, because the mean of its divisors is an integer number (63504000).

Almost surely, 2485638379 is an apocalyptic number.

485638379 is a deficient number, since it is larger than the sum of its proper divisors (22393621).

485638379 is a wasteful number, since it uses less digits than its factorization.

485638379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188277.

The product of its digits is 4354560, while the sum is 53.

The square root of 485638379 is about 22037.2044279668. The cubic root of 485638379 is about 786.0273667651.

The spelling of 485638379 in words is "four hundred eighty-five million, six hundred thirty-eight thousand, three hundred seventy-nine".

Divisors: 1 29 89 2581 188159 5456611 16746151 485638379