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5212125 = 325341113
BaseRepresentation
bin10011111000011111011101
3100210210200200
4103320133131
52313242000
6303414113
762205462
oct23703735
910723620
105212125
112a3aa46
1218b4339
1311064c9
14999669
156ce500
hex4f87dd

5212125 has 48 divisors (see below), whose sum is σ = 9710064. Its totient is φ = 2688000.

The previous prime is 5212111. The next prime is 5212133.

5212125 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 8 ways, for example, as 4575321 + 636804 = 2139^2 + 798^2 .

It is not a de Polignac number, because 5212125 - 25 = 5212093 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

5212125 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5212098 and 5212107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46069 + ... + 46181.

It is an arithmetic number, because the mean of its divisors is an integer number (202293).

Almost surely, 25212125 is an apocalyptic number.

It is an amenable number.

5212125 is a deficient number, since it is larger than the sum of its proper divisors (4497939).

5212125 is a wasteful number, since it uses less digits than its factorization.

5212125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175 (or 162 counting only the distinct ones).

The product of its digits is 200, while the sum is 18.

The square root of 5212125 is about 2283.0078843491. The cubic root of 5212125 is about 173.3823723016.

The spelling of 5212125 in words is "five million, two hundred twelve thousand, one hundred twenty-five".

Divisors: 1 3 5 9 15 25 41 45 75 113 123 125 205 225 339 369 375 565 615 1017 1025 1125 1695 1845 2825 3075 4633 5085 5125 8475 9225 13899 14125 15375 23165 25425 41697 42375 46125 69495 115825 127125 208485 347475 579125 1042425 1737375 5212125