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45133441 = 149302909
BaseRepresentation
bin1010110000101…
…0111010000001
310010221000102221
42230022322001
543023232231
64251211041
71055425243
oct254127201
9103830387
1045133441
1123527471
1213146a81
1394732a2
145dcc093
153e67d11
hex2b0ae81

45133441 has 4 divisors (see below), whose sum is σ = 45436500. Its totient is φ = 44830384.

The previous prime is 45133433. The next prime is 45133457. The reversal of 45133441 is 14433154.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14433154 = 27216577.

It can be written as a sum of positive squares in 2 ways, for example, as 7862416 + 37271025 = 2804^2 + 6105^2 .

It is a cyclic number.

It is not a de Polignac number, because 45133441 - 23 = 45133433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45133471) 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 3 ways as a sum of consecutive naturals, for example, 151306 + ... + 151603.

It is an arithmetic number, because the mean of its divisors is an integer number (11359125).

Almost surely, 245133441 is an apocalyptic number.

It is an amenable number.

45133441 is a deficient number, since it is larger than the sum of its proper divisors (303059).

45133441 is a wasteful number, since it uses less digits than its factorization.

45133441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303058.

The product of its digits is 2880, while the sum is 25.

The square root of 45133441 is about 6718.1426748767. The cubic root of 45133441 is about 356.0405652761.

Adding to 45133441 its reverse (14433154), we get a palindrome (59566595).

It can be divided in two parts, 45 and 133441, that multiplied together give a triangular number (6004845 = T3465).

The spelling of 45133441 in words is "forty-five million, one hundred thirty-three thousand, four hundred forty-one".

Divisors: 1 149 302909 45133441