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481378285 = 5445721601
BaseRepresentation
bin11100101100010…
…011111111101101
31020112210112212101
4130230103333231
51441213101120
6115433335101
714633435143
oct3454237755
91215715771
10481378285
112277a86a3
12115267491
137896512b
1447d09593
152c3da90a
hex1cb13fed

481378285 has 8 divisors (see below), whose sum is σ = 577810296. Its totient is φ = 384998400.

The previous prime is 481378241. The next prime is 481378291. The reversal of 481378285 is 582873184.

It can be written as a sum of positive squares in 4 ways, for example, as 178409449 + 302968836 = 13357^2 + 17406^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 481378285 - 217 = 481247213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11485 + ... + 33085.

It is an arithmetic number, because the mean of its divisors is an integer number (72226287).

Almost surely, 2481378285 is an apocalyptic number.

It is an amenable number.

481378285 is a deficient number, since it is larger than the sum of its proper divisors (96432011).

481378285 is a wasteful number, since it uses less digits than its factorization.

481378285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26063.

The product of its digits is 430080, while the sum is 46.

The square root of 481378285 is about 21940.3346601641. The cubic root of 481378285 is about 783.7222292085.

The spelling of 481378285 in words is "four hundred eighty-one million, three hundred seventy-eight thousand, two hundred eighty-five".

Divisors: 1 5 4457 21601 22285 108005 96275657 481378285