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141720025 = 525668801
BaseRepresentation
bin10000111001001…
…11100111011001
3100212200010022211
420130213213121
5242240020100
622021315121
73340412626
oct1034474731
9325603284
10141720025
1172aa7397
123b565aa1
1323490205
1414b7134d
15c6961ba
hex87279d9

141720025 has 6 divisors (see below), whose sum is σ = 175732862. Its totient is φ = 113376000.

The previous prime is 141719999. The next prime is 141720053. The reversal of 141720025 is 520027141.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 205209 + 141514816 = 453^2 + 11896^2 .

It is not a de Polignac number, because 141720025 - 211 = 141717977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 141719978 and 141720005.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2834376 + ... + 2834425.

Almost surely, 2141720025 is an apocalyptic number.

It is an amenable number.

141720025 is a deficient number, since it is larger than the sum of its proper divisors (34012837).

141720025 is an equidigital number, since it uses as much as digits as its factorization.

141720025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5668811 (or 5668806 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 141720025 is about 11904.6220015589. The cubic root of 141720025 is about 521.3672414441.

Adding to 141720025 its reverse (520027141), we get a palindrome (661747166).

The spelling of 141720025 in words is "one hundred forty-one million, seven hundred twenty thousand, twenty-five".

Divisors: 1 5 25 5668801 28344005 141720025