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45041831 is a prime number
BaseRepresentation
bin1010101111010…
…0100010100111
310010202100202222
42223310202213
543012314311
64245222555
71054564202
oct253644247
9103670688
1045041831
112347465a
1213101a5b
139440693
145da6939
153e4aadb
hex2af48a7

45041831 has 2 divisors, whose sum is σ = 45041832. Its totient is φ = 45041830.

The previous prime is 45041813. The next prime is 45041849. The reversal of 45041831 is 13814054.

Together with previous prime (45041813) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (45041813) and next prime (45041849).

It is a cyclic number.

It is not a de Polignac number, because 45041831 - 26 = 45041767 is a prime.

It is a super-2 number, since 2×450418312 = 4057533079665122, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45041831.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45041881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22520915 + 22520916.

It is an arithmetic number, because the mean of its divisors is an integer number (22520916).

Almost surely, 245041831 is an apocalyptic number.

45041831 is a deficient number, since it is larger than the sum of its proper divisors (1).

45041831 is an equidigital number, since it uses as much as digits as its factorization.

45041831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 45041831 is about 6711.3211069059. The cubic root of 45041831 is about 355.7995099484.

Adding to 45041831 its reverse (13814054), we get a palindrome (58855885).

The spelling of 45041831 in words is "forty-five million, forty-one thousand, eight hundred thirty-one".