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383250125 = 531721032
BaseRepresentation
bin10110110101111…
…110111011001101
3222201011010100002
4112311332323031
51241103001000
6102010214045
712332400206
oct2665767315
9881133302
10383250125
11187375545
12a8424325
136152862b
1438c845ad
15239a58d5
hex16d7eecd

383250125 has 36 divisors (see below), whose sum is σ = 513066996. Its totient is φ = 285763200.

The previous prime is 383250103. The next prime is 383250151. The reversal of 383250125 is 521052383.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 6 ways, for example, as 35688676 + 347561449 = 5974^2 + 18643^2 .

It is not a de Polignac number, because 383250125 - 210 = 383249101 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3720824 + ... + 3720926.

It is an arithmetic number, because the mean of its divisors is an integer number (14251861).

Almost surely, 2383250125 is an apocalyptic number.

It is an amenable number.

383250125 is a deficient number, since it is larger than the sum of its proper divisors (129816871).

383250125 is an equidigital number, since it uses as much as digits as its factorization.

383250125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 383250125 is about 19576.7751430107. The cubic root of 383250125 is about 726.3747992029.

The spelling of 383250125 in words is "three hundred eighty-three million, two hundred fifty thousand, one hundred twenty-five".

Divisors: 1 5 17 25 85 103 125 289 425 515 1445 1751 2125 2575 7225 8755 10609 12875 29767 36125 43775 53045 148835 180353 218875 265225 744175 901765 1326125 3066001 3720875 4508825 15330005 22544125 76650025 383250125