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475507485 = 32510566833
BaseRepresentation
bin11100010101111…
…010101100011101
31020010202021122100
4130111322230131
51433212214420
6115103435313
714532514125
oct3425725435
91203667570
10475507485
112244588a2
121132b5b39
137768ab9b
144721bc85
152bb2b190
hex1c57ab1d

475507485 has 12 divisors (see below), whose sum is σ = 824213052. Its totient is φ = 253603968.

The previous prime is 475507447. The next prime is 475507489. The reversal of 475507485 is 584705574.

It can be written as a sum of positive squares in 2 ways, for example, as 92679129 + 382828356 = 9627^2 + 19566^2 .

It is not a de Polignac number, because 475507485 - 210 = 475506461 is a prime.

It is a super-2 number, since 2×4755074852 = 452214736582050450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 10566833 = 475507485 / (4 + 7 + 5 + 5 + 0 + 7 + 4 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 475507485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475507489) by changing a digit.

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, 5283372 + ... + 5283461.

It is an arithmetic number, because the mean of its divisors is an integer number (68684421).

Almost surely, 2475507485 is an apocalyptic number.

475507485 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

475507485 is a deficient number, since it is larger than the sum of its proper divisors (348705567).

475507485 is a wasteful number, since it uses less digits than its factorization.

475507485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10566844 (or 10566841 counting only the distinct ones).

The product of its (nonzero) digits is 784000, while the sum is 45.

The square root of 475507485 is about 21806.1341140515. The cubic root of 475507485 is about 780.5231451040.

The spelling of 475507485 in words is "four hundred seventy-five million, five hundred seven thousand, four hundred eighty-five".

Divisors: 1 3 5 9 15 45 10566833 31700499 52834165 95101497 158502495 475507485