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146130625 = 542291021
BaseRepresentation
bin10001011010111…
…00011011000001
3101011222012112101
420231130123001
5244402140000
622300030401
73423042544
oct1055343301
9334865471
10146130625
117553a113
1240b32401
1324375934
141559c85b
15cc67e6a
hex8b5c6c1

146130625 has 20 divisors (see below), whose sum is σ = 183581860. Its totient is φ = 116280000.

The previous prime is 146130619. The next prime is 146130629. The reversal of 146130625 is 526031641.

It can be written as a sum of positive squares in 10 ways, for example, as 70492816 + 75637809 = 8396^2 + 8697^2 .

It is not a de Polignac number, because 146130625 - 23 = 146130617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 146130593 and 146130602.

It is not an unprimeable number, because it can be changed into a prime (146130629) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 142615 + ... + 143635.

It is an arithmetic number, because the mean of its divisors is an integer number (9179093).

Almost surely, 2146130625 is an apocalyptic number.

It is an amenable number.

146130625 is a deficient number, since it is larger than the sum of its proper divisors (37451235).

146130625 is an equidigital number, since it uses as much as digits as its factorization.

146130625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270 (or 1255 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 146130625 is about 12088.4500660755. The cubic root of 146130625 is about 526.7207334246.

The spelling of 146130625 in words is "one hundred forty-six million, one hundred thirty thousand, six hundred twenty-five".

Divisors: 1 5 25 125 229 625 1021 1145 5105 5725 25525 28625 127625 143125 233809 638125 1169045 5845225 29226125 146130625