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201500125 = 5323109643
BaseRepresentation
bin11000000001010…
…10010111011101
3112001011021012121
430000222113131
5403041001000
631554502541
74664502631
oct1400522735
9461137177
10201500125
11a3818032
1257594a51
1332991058
141ca92dc1
1512a53b1a
hexc02a5dd

201500125 has 32 divisors (see below), whose sum is σ = 265224960. Its totient is φ = 152539200.

The previous prime is 201500087. The next prime is 201500161. The reversal of 201500125 is 521005102.

It is not a de Polignac number, because 201500125 - 213 = 201491933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201500099 and 201500108.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 313054 + ... + 313696.

It is an arithmetic number, because the mean of its divisors is an integer number (8288280).

Almost surely, 2201500125 is an apocalyptic number.

201500125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201500125 is a deficient number, since it is larger than the sum of its proper divisors (63724835).

201500125 is a wasteful number, since it uses less digits than its factorization.

201500125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790 (or 780 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 201500125 is about 14195.0739695149. The cubic root of 201500125 is about 586.2620378717.

Adding to 201500125 its reverse (521005102), we get a palindrome (722505227).

The spelling of 201500125 in words is "two hundred one million, five hundred thousand, one hundred twenty-five".

Divisors: 1 5 23 25 109 115 125 545 575 643 2507 2725 2875 3215 12535 13625 14789 16075 62675 70087 73945 80375 313375 350435 369725 1612001 1752175 1848625 8060005 8760875 40300025 201500125