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5145240 = 233553809
BaseRepresentation
bin10011101000001010011000
3100200101221110
4103220022120
52304121430
6302140320
761506462
oct23501230
910611843
105145240
1129a4771
1218816a0
1310b1c29
1497d132
156b97b0
hex4e8298

5145240 has 64 divisors (see below), whose sum is σ = 15746400. Its totient is φ = 1344512.

The previous prime is 5145233. The next prime is 5145263. The reversal of 5145240 is 425415.

5145240 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5956 + ... + 6764.

Almost surely, 25145240 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 5145240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7873200).

5145240 is an abundant number, since it is smaller than the sum of its proper divisors (10601160).

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

5145240 is a wasteful number, since it uses less digits than its factorization.

5145240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876 (or 872 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 5145240 is about 2268.3121478315. The cubic root of 5145240 is about 172.6375294739.

The spelling of 5145240 in words is "five million, one hundred forty-five thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 53 60 106 120 159 212 265 318 424 530 636 795 809 1060 1272 1590 1618 2120 2427 3180 3236 4045 4854 6360 6472 8090 9708 12135 16180 19416 24270 32360 42877 48540 85754 97080 128631 171508 214385 257262 343016 428770 514524 643155 857540 1029048 1286310 1715080 2572620 5145240