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457545369241 = 6764212
BaseRepresentation
bin1101010100001111101…
…01000100011010011001
31121202000010100000100201
412222013311010122121
524444023103303431
6550105441102201
745025254316552
oct6520765043231
91552003300321
10457545369241
11167053483aa4
1274813027961
13341b969279c
1418206a55329
15bd7d8d3461
hex6a87d44699

457545369241 has 3 divisors (see below), whose sum is σ = 457546045663. Its totient is φ = 457544692820.

The previous prime is 457545369179. The next prime is 457545369251. The reversal of 457545369241 is 142963545754.

The square root of 457545369241 is 676421.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 259466965641 + 198078403600 = 509379^2 + 445060^2 .

It is a de Polignac number, because none of the positive numbers 2k-457545369241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (457545369251) by changing a digit.

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 2 ways as a sum of consecutive naturals, for example, 338211 + ... + 1014631.

Almost surely, 2457545369241 is an apocalyptic number.

457545369241 is the 676421-st square number.

457545369241 is the 338211-st centered octagonal number.

It is an amenable number.

457545369241 is a deficient number, since it is larger than the sum of its proper divisors (676422).

457545369241 is an frugal number, since it uses more digits than its factorization.

457545369241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352842 (or 676421 counting only the distinct ones).

The product of its digits is 18144000, while the sum is 55.

The spelling of 457545369241 in words is "four hundred fifty-seven billion, five hundred forty-five million, three hundred sixty-nine thousand, two hundred forty-one".

Divisors: 1 676421 457545369241