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101445325 = 524057813
BaseRepresentation
bin1100000101111…
…10111011001101
321001212221211021
412002332323031
5201432222300
614022154141
72341161652
oct602767315
9231787737
10101445325
1152299413
1229b82951
131802b627
14d689c29
158d8cd1a
hex60beecd

101445325 has 6 divisors (see below), whose sum is σ = 125792234. Its totient is φ = 81156240.

The previous prime is 101445287. The next prime is 101445329. The reversal of 101445325 is 523544101.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 281961 + 101163364 = 531^2 + 10058^2 .

It is not a de Polignac number, because 101445325 - 217 = 101314253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 4057813 = 101445325 / (1 + 0 + 1 + 4 + 4 + 5 + 3 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101445325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101445329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2028882 + ... + 2028931.

Almost surely, 2101445325 is an apocalyptic number.

It is an amenable number.

101445325 is a deficient number, since it is larger than the sum of its proper divisors (24346909).

101445325 is an equidigital number, since it uses as much as digits as its factorization.

101445325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4057823 (or 4057818 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 101445325 is about 10072.0069996004. The cubic root of 101445325 is about 466.3843970436.

Adding to 101445325 its reverse (523544101), we get a palindrome (624989426).

The spelling of 101445325 in words is "one hundred one million, four hundred forty-five thousand, three hundred twenty-five".

Divisors: 1 5 25 4057813 20289065 101445325