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485975855 = 51723331751
BaseRepresentation
bin11100111101110…
…110011100101111
31020212110010112202
4130331312130233
51443402211410
6120120052115
715020504141
oct3475663457
91225403482
10485975855
1122a358942
1211690403b
13798b49a1
1448784c91
152c9e7ca5
hex1cf7672f

485975855 has 32 divisors (see below), whose sum is σ = 647129088. Its totient is φ = 348480000.

The previous prime is 485975851. The next prime is 485975879. The reversal of 485975855 is 558579584.

It is not a de Polignac number, because 485975855 - 22 = 485975851 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 485975855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485975851) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 646730 + ... + 647480.

It is an arithmetic number, because the mean of its divisors is an integer number (20222784).

Almost surely, 2485975855 is an apocalyptic number.

485975855 is a deficient number, since it is larger than the sum of its proper divisors (161153233).

485975855 is a wasteful number, since it uses less digits than its factorization.

485975855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127.

The product of its digits is 10080000, while the sum is 56.

The square root of 485975855 is about 22044.8600585261. The cubic root of 485975855 is about 786.2093979234.

The spelling of 485975855 in words is "four hundred eighty-five million, nine hundred seventy-five thousand, eight hundred fifty-five".

Divisors: 1 5 17 23 85 115 331 391 751 1655 1955 3755 5627 7613 12767 17273 28135 38065 63835 86365 129421 248581 293641 647105 1242905 1468205 4225877 5717363 21129385 28586815 97195171 485975855