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504271920 = 243511231871
BaseRepresentation
bin11110000011101…
…001010000110000
31022010212200000210
4132003221100300
52013043200140
6122012144120
715332145345
oct3603512060
91263780023
10504271920
11239714a59
12120a68040
138061c669
144ad887cc
152e40dd80
hex1e0e9430

504271920 has 80 divisors (see below), whose sum is σ = 1565471232. Its totient is φ = 134280960.

The previous prime is 504271919. The next prime is 504271921. The reversal of 504271920 is 29172405.

It is an interprime number because it is at equal distance from previous prime (504271919) and next prime (504271921).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (504271921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268585 + ... + 270455.

Almost surely, 2504271920 is an apocalyptic number.

It is an amenable number.

504271920 is an abundant number, since it is smaller than the sum of its proper divisors (1061199312).

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

504271920 is a wasteful number, since it uses less digits than its factorization.

504271920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3010 (or 3004 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 504271920 is about 22455.9996437478. Note that the first 3 decimals coincide. The cubic root of 504271920 is about 795.9545355884.

The spelling of 504271920 in words is "five hundred four million, two hundred seventy-one thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 1123 1871 2246 3369 3742 4492 5613 5615 6738 7484 8984 9355 11226 11230 13476 14968 16845 17968 18710 22452 22460 26952 28065 29936 33690 37420 44904 44920 53904 56130 67380 74840 89808 89840 112260 134760 149680 224520 269520 449040 2101133 4202266 6303399 8404532 10505665 12606798 16809064 21011330 25213596 31516995 33618128 42022660 50427192 63033990 84045320 100854384 126067980 168090640 252135960 504271920