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5145885 = 325173661
BaseRepresentation
bin10011101000010100011101
3100200102211100
4103220110131
52304132020
6302143313
761511403
oct23502435
910612740
105145885
1129a51a8
121881b39
1310b2304
1497d473
156b9a90
hex4e851d

5145885 has 24 divisors (see below), whose sum is σ = 8984664. Its totient is φ = 2724480.

The previous prime is 5145871. The next prime is 5145887. The reversal of 5145885 is 5885415.

It can be written as a sum of positive squares in 4 ways, for example, as 2232036 + 2913849 = 1494^2 + 1707^2 .

It is not a de Polignac number, because 5145885 - 26 = 5145821 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5145887) 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 23 ways as a sum of consecutive naturals, for example, 7455 + ... + 8115.

It is an arithmetic number, because the mean of its divisors is an integer number (374361).

Almost surely, 25145885 is an apocalyptic number.

It is an amenable number.

5145885 is a deficient number, since it is larger than the sum of its proper divisors (3838779).

5145885 is a wasteful number, since it uses less digits than its factorization.

5145885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845 (or 842 counting only the distinct ones).

The product of its digits is 32000, while the sum is 36.

The square root of 5145885 is about 2268.4543195753. The cubic root of 5145885 is about 172.6447430378.

The spelling of 5145885 in words is "five million, one hundred forty-five thousand, eight hundred eighty-five".

Divisors: 1 3 5 9 15 45 173 519 661 865 1557 1983 2595 3305 5949 7785 9915 29745 114353 343059 571765 1029177 1715295 5145885