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101250445 = 520250089
BaseRepresentation
bin1100000100011…
…11010110001101
321001112001111111
412002033112031
5201410003240
614014052021
72336420542
oct602172615
9231461444
10101250445
1152175a5a
1229aaa011
1317c90a0a
14d638bc9
158d501ea
hex608f58d

101250445 has 4 divisors (see below), whose sum is σ = 121500540. Its totient is φ = 81000352.

The previous prime is 101250421. The next prime is 101250469. The reversal of 101250445 is 544052101.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (101250421) and next prime (101250469).

It can be written as a sum of positive squares in 2 ways, for example, as 42068196 + 59182249 = 6486^2 + 7693^2 .

It is a cyclic number.

It is not a de Polignac number, because 101250445 - 217 = 101119373 is a prime.

It is a super-2 number, since 2×1012504452 = 20503305225396050, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 10125040 + ... + 10125049.

It is an arithmetic number, because the mean of its divisors is an integer number (30375135).

Almost surely, 2101250445 is an apocalyptic number.

It is an amenable number.

101250445 is a deficient number, since it is larger than the sum of its proper divisors (20250095).

101250445 is an equidigital number, since it uses as much as digits as its factorization.

101250445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20250094.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 101250445 is about 10062.3280109525. The cubic root of 101250445 is about 466.0855587160.

The spelling of 101250445 in words is "one hundred one million, two hundred fifty thousand, four hundred forty-five".

Divisors: 1 5 20250089 101250445