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5749640 = 2351311057
BaseRepresentation
bin10101111011101110001000
3101211010000122
4111323232020
52432442030
6323122412
766604541
oct25735610
911733018
105749640
113277876
121b13408
131264070
14a994c8
157888e5
hex57bb88

5749640 has 32 divisors (see below), whose sum is σ = 13933080. Its totient is φ = 2122752.

The previous prime is 5749637. The next prime is 5749649. The reversal of 5749640 is 469475.

It can be written as a sum of positive squares in 4 ways, for example, as 2630884 + 3118756 = 1622^2 + 1766^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5749640.

It is not an unprimeable number, because it can be changed into a prime (5749649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5009 + ... + 6048.

Almost surely, 25749640 is an apocalyptic number.

It is an amenable number.

5749640 is an abundant number, since it is smaller than the sum of its proper divisors (8183440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5749640 is a wasteful number, since it uses less digits than its factorization.

5749640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11081 (or 11077 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 5749640 is about 2397.8406952923. The cubic root of 5749640 is about 179.1486546402.

The spelling of 5749640 in words is "five million, seven hundred forty-nine thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 11057 22114 44228 55285 88456 110570 143741 221140 287482 442280 574964 718705 1149928 1437410 2874820 5749640