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45271045 = 5431931091
BaseRepresentation
bin1010110010110…
…0100000000101
310011012000012101
42230230200011
543042133140
64254152101
71056540361
oct254544005
9104160171
1045271045
1123610896
12131b2631
1394c0b01
1460262a1
153e9399a
hex2b2c805

45271045 has 16 divisors (see below), whose sum is σ = 55927872. Its totient is φ = 35159040.

The previous prime is 45271043. The next prime is 45271073. The reversal of 45271045 is 54017254.

It is not a de Polignac number, because 45271045 - 21 = 45271043 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 (45271043) 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, 40950 + ... + 42040.

It is an arithmetic number, because the mean of its divisors is an integer number (3495492).

Almost surely, 245271045 is an apocalyptic number.

It is an amenable number.

45271045 is a deficient number, since it is larger than the sum of its proper divisors (10656827).

45271045 is a wasteful number, since it uses less digits than its factorization.

45271045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 45271045 is about 6728.3761042320. The cubic root of 45271045 is about 356.4020333956.

Adding to 45271045 its reverse (54017254), we get a palindrome (99288299).

The spelling of 45271045 in words is "forty-five million, two hundred seventy-one thousand, forty-five".

Divisors: 1 5 43 193 215 965 1091 5455 8299 41495 46913 210563 234565 1052815 9054209 45271045