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5749945 = 51149989
BaseRepresentation
bin10101111011110010111001
3101211010102221
4111323302321
52432444240
6323124041
766605455
oct25736271
911733387
105749945
113278023
121b13621
131264246
14a99665
15788a4a
hex57bcb9

5749945 has 4 divisors (see below), whose sum is σ = 6899940. Its totient is φ = 4599952.

The previous prime is 5749943. The next prime is 5749949. The reversal of 5749945 is 5499475.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3767481 + 1982464 = 1941^2 + 1408^2 .

It is a cyclic number.

It is not a de Polignac number, because 5749945 - 21 = 5749943 is a prime.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (5749943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 574990 + ... + 574999.

It is an arithmetic number, because the mean of its divisors is an integer number (1724985).

Almost surely, 25749945 is an apocalyptic number.

It is an amenable number.

5749945 is a deficient number, since it is larger than the sum of its proper divisors (1149995).

5749945 is a wasteful number, since it uses less digits than its factorization.

5749945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149994.

The product of its digits is 226800, while the sum is 43.

The square root of 5749945 is about 2397.9042933362. The cubic root of 5749945 is about 179.1518223384.

The spelling of 5749945 in words is "five million, seven hundred forty-nine thousand, nine hundred forty-five".

Divisors: 1 5 1149989 5749945