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5118440 = 235413121
BaseRepresentation
bin10011100001100111101000
3100122001011212
4103201213220
52302242230
6301412252
761335365
oct23414750
910561155
105118440
112986618
12186a088
1310a2982
1497346c
156b1895
hex4e19e8

5118440 has 32 divisors (see below), whose sum is σ = 11801160. Its totient is φ = 1996800.

The previous prime is 5118439. The next prime is 5118517. The reversal of 5118440 is 448115.

It can be written as a sum of positive squares in 4 ways, for example, as 948676 + 4169764 = 974^2 + 2042^2 .

It is a Smith number, since the sum of its digits (23) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 80 + ... + 3200.

Almost surely, 25118440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5118440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5900580).

5118440 is an abundant number, since it is smaller than the sum of its proper divisors (6682720).

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

5118440 is a wasteful number, since it uses less digits than its factorization.

5118440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3173 (or 3169 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 5118440 is about 2262.3969589796. The cubic root of 5118440 is about 172.3372686426.

The spelling of 5118440 in words is "five million, one hundred eighteen thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 41 82 164 205 328 410 820 1640 3121 6242 12484 15605 24968 31210 62420 124840 127961 255922 511844 639805 1023688 1279610 2559220 5118440