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457272663 = 3271743757
BaseRepresentation
bin11011010000010…
…110110101010111
31011212102212011120
4123100112311113
51414030211123
6113212535023
714221516311
oct3320266527
91155385146
10457272663
112151337a1
12109181473
1373975053
1444a327b1
152a2282e3
hex1b416d57

457272663 has 16 divisors (see below), whose sum is σ = 613579776. Its totient is φ = 302914080.

The previous prime is 457272649. The next prime is 457272689. The reversal of 457272663 is 366272754.

It is a de Polignac number, because none of the positive numbers 2k-457272663 is a prime.

It is a super-2 number, since 2×4572726632 = 418196576654223138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457272623) 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, 603681 + ... + 604437.

It is an arithmetic number, because the mean of its divisors is an integer number (38348736).

Almost surely, 2457272663 is an apocalyptic number.

457272663 is a deficient number, since it is larger than the sum of its proper divisors (156307113).

457272663 is a wasteful number, since it uses less digits than its factorization.

457272663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774.

The product of its digits is 423360, while the sum is 42.

The square root of 457272663 is about 21383.9346940641. The cubic root of 457272663 is about 770.4156203397.

Subtracting from 457272663 its reverse (366272754), we obtain a palindrome (90999909).

The spelling of 457272663 in words is "four hundred fifty-seven million, two hundred seventy-two thousand, six hundred sixty-three".

Divisors: 1 3 271 743 757 813 2229 2271 201353 205147 562451 604059 615441 1687353 152424221 457272663