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45003031 is a prime number
BaseRepresentation
bin1010101110101…
…1000100010111
310010200101112221
42223223010113
543010044111
64244323211
71054343113
oct253530427
9103611487
1045003031
1123448497
12130a3507
139428b18
145d96743
153e3e371
hex2aeb117

45003031 has 2 divisors, whose sum is σ = 45003032. Its totient is φ = 45003030.

The previous prime is 45003011. The next prime is 45003043. The reversal of 45003031 is 13030054.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45003031 - 25 = 45002999 is a prime.

It is a super-2 number, since 2×450030312 = 4050545598373922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45002996 and 45003014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45003011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22501515 + 22501516.

It is an arithmetic number, because the mean of its divisors is an integer number (22501516).

Almost surely, 245003031 is an apocalyptic number.

45003031 is a deficient number, since it is larger than the sum of its proper divisors (1).

45003031 is an equidigital number, since it uses as much as digits as its factorization.

45003031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 45003031 is about 6708.4298460966. The cubic root of 45003031 is about 355.6973161539.

Adding to 45003031 its reverse (13030054), we get a palindrome (58033085).

The spelling of 45003031 in words is "forty-five million, three thousand, thirty-one".