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45457541 = 178773049
BaseRepresentation
bin1010110101101…
…0000010000101
310011112111000122
42231122002011
543114120131
64302151325
71061245163
oct255320205
9104474018
1045457541
1123728a18
1213282545
13955796c
146074233
153ecdd7b
hex2b5a085

45457541 has 8 divisors (see below), whose sum is σ = 48202200. Its totient is φ = 42720768.

The previous prime is 45457463. The next prime is 45457543. The reversal of 45457541 is 14575454.

It can be written as a sum of positive squares in 4 ways, for example, as 10588516 + 34869025 = 3254^2 + 5905^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 45457541 - 222 = 41263237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45457543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13385 + ... + 16433.

It is an arithmetic number, because the mean of its divisors is an integer number (6025275).

Almost surely, 245457541 is an apocalyptic number.

It is an amenable number.

45457541 is a deficient number, since it is larger than the sum of its proper divisors (2744659).

45457541 is a wasteful number, since it uses less digits than its factorization.

45457541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3943.

The product of its digits is 56000, while the sum is 35.

The square root of 45457541 is about 6742.2207765691. The cubic root of 45457541 is about 356.8907673458.

It can be divided in two parts, 4 and 5457541, that added together give a palindrome (5457545).

The spelling of 45457541 in words is "forty-five million, four hundred fifty-seven thousand, five hundred forty-one".

Divisors: 1 17 877 3049 14909 51833 2673973 45457541