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5249870 = 252943421
BaseRepresentation
bin10100000001101101001110
3100212201110122
4110001231032
52320443440
6304304542
762423513
oct24015516
910781418
105249870
112a6633a
121912152
13111a742
149a930a
156da7b5
hex501b4e

5249870 has 32 divisors (see below), whose sum is σ = 10026720. Its totient is φ = 1975680.

The previous prime is 5249869. The next prime is 5249873. The reversal of 5249870 is 789425.

It is a happy number.

It is a super-2 number, since 2×52498702 = 55122270033800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5249870.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5249873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12260 + ... + 12680.

It is an arithmetic number, because the mean of its divisors is an integer number (313335).

Almost surely, 25249870 is an apocalyptic number.

5249870 is a deficient number, since it is larger than the sum of its proper divisors (4776850).

5249870 is a wasteful number, since it uses less digits than its factorization.

5249870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 5249870 is about 2291.2594789766. The cubic root of 5249870 is about 173.7998976818.

The spelling of 5249870 in words is "five million, two hundred forty-nine thousand, eight hundred seventy".

Divisors: 1 2 5 10 29 43 58 86 145 215 290 421 430 842 1247 2105 2494 4210 6235 12209 12470 18103 24418 36206 61045 90515 122090 181030 524987 1049974 2624935 5249870