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101425025 = 52133110067
BaseRepresentation
bin1100000101110…
…01111110000001
321001211220222102
412002321332001
5201431100100
614021520145
72341045532
oct602717601
9231756872
10101425025
1152285139
1229b73055
1318022310
14d682689
158d86cd5
hex60b9f81

101425025 has 24 divisors (see below), whose sum is σ = 139824384. Its totient is φ = 72475200.

The previous prime is 101425001. The next prime is 101425031. The reversal of 101425025 is 520524101.

It is not a de Polignac number, because 101425025 - 28 = 101424769 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101424988 and 101425006.

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 23 ways as a sum of consecutive naturals, for example, 5042 + ... + 15108.

It is an arithmetic number, because the mean of its divisors is an integer number (5826016).

Almost surely, 2101425025 is an apocalyptic number.

It is an amenable number.

101425025 is a deficient number, since it is larger than the sum of its proper divisors (38399359).

101425025 is a wasteful number, since it uses less digits than its factorization.

101425025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10121 (or 10116 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 101425025 is about 10070.9992056399. Note that the first 3 decimals coincide. The cubic root of 101425025 is about 466.3532859177.

Adding to 101425025 its reverse (520524101), we get a palindrome (621949126).

The spelling of 101425025 in words is "one hundred one million, four hundred twenty-five thousand, twenty-five".

Divisors: 1 5 13 25 31 65 155 325 403 775 2015 10067 10075 50335 130871 251675 312077 654355 1560385 3271775 4057001 7801925 20285005 101425025