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125000224 = 256164037
BaseRepresentation
bin1110111001101…
…01101000100000
322201012200001221
413130311220200
5224000001344
620223104424
73045325066
oct734655040
9281180057
10125000224
1164617578
1235a42114
131cb87b3b
141285c036
15ae92184
hex7735a20

125000224 has 24 divisors (see below), whose sum is σ = 250132428. Its totient is φ = 61474560.

The previous prime is 125000209. The next prime is 125000263. The reversal of 125000224 is 422000521.

It can be written as a sum of positive squares in 2 ways, for example, as 82228624 + 42771600 = 9068^2 + 6540^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 125000198 and 125000207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30067 + ... + 33970.

Almost surely, 2125000224 is an apocalyptic number.

It is an amenable number.

125000224 is an abundant number, since it is smaller than the sum of its proper divisors (125132204).

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

125000224 is an equidigital number, since it uses as much as digits as its factorization.

125000224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64108 (or 64100 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 125000224 is about 11180.3499050790. The cubic root of 125000224 is about 500.0002986665. Note that the first 3 decimals are identical.

Adding to 125000224 its reverse (422000521), we get a palindrome (547000745).

The spelling of 125000224 in words is "one hundred twenty-five million, two hundred twenty-four", and thus it is an aban number.

Divisors: 1 2 4 8 16 32 61 122 244 488 976 1952 64037 128074 256148 512296 1024592 2049184 3906257 7812514 15625028 31250056 62500112 125000224