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5105040 = 243589239
BaseRepresentation
bin10011011110010110010000
3100121100210120
4103132112100
52301330130
6301230240
761251333
oct23362620
910540716
105105040
112977546
121862380
131099845
1496c61a
156ac910
hex4de590

5105040 has 80 divisors (see below), whose sum is σ = 16070400. Its totient is φ = 1340416.

The previous prime is 5105021. The next prime is 5105047. The reversal of 5105040 is 405015.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×51050402 = 52122866803200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5105047) 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 15 ways as a sum of consecutive naturals, for example, 21241 + ... + 21479.

It is an arithmetic number, because the mean of its divisors is an integer number (200880).

Almost surely, 25105040 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 5105040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8035200).

5105040 is an abundant number, since it is smaller than the sum of its proper divisors (10965360).

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

5105040 is a wasteful number, since it uses less digits than its factorization.

5105040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 338 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 5105040 is about 2259.4335573325. The cubic root of 5105040 is about 172.1867450722.

The spelling of 5105040 in words is "five million, one hundred five thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 89 120 178 239 240 267 356 445 478 534 712 717 890 956 1068 1195 1335 1424 1434 1780 1912 2136 2390 2670 2868 3560 3585 3824 4272 4780 5340 5736 7120 7170 9560 10680 11472 14340 19120 21271 21360 28680 42542 57360 63813 85084 106355 127626 170168 212710 255252 319065 340336 425420 510504 638130 850840 1021008 1276260 1701680 2552520 5105040