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485723880 = 233251349233
BaseRepresentation
bin11100111100111…
…000111011101000
31020211222022220100
4130330320323220
51443321131010
6120110425400
715015404415
oct3474707350
91224868810
10485723880
1122a1a65a4
12116802260
13798270a5
144871b10c
152c9982c0
hex1cf38ee8

485723880 has 48 divisors (see below), whose sum is σ = 1578603780. Its totient is φ = 129526272.

The previous prime is 485723879. The next prime is 485723921. The reversal of 485723880 is 88327584.

485723880 is a `hidden beast` number, since 48 + 572 + 38 + 8 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 472019076 + 13704804 = 21726^2 + 3702^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 674257 + ... + 674976.

Almost surely, 2485723880 is an apocalyptic number.

485723880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

485723880 is an abundant number, since it is smaller than the sum of its proper divisors (1092879900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

485723880 is a wasteful number, since it uses less digits than its factorization.

485723880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349250 (or 1349243 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The square root of 485723880 is about 22039.1442665091. The cubic root of 485723880 is about 786.0734931183.

The spelling of 485723880 in words is "four hundred eighty-five million, seven hundred twenty-three thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 1349233 2698466 4047699 5396932 6746165 8095398 10793864 12143097 13492330 16190796 20238495 24286194 26984660 32381592 40476990 48572388 53969320 60715485 80953980 97144776 121430970 161907960 242861940 485723880