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140463625 = 531123709
BaseRepresentation
bin10000101111101…
…00111000001001
3100210022021212111
420113310320021
5241424314000
621534342321
73323630641
oct1027647011
9323267774
10140463625
1172319445
123b05a9a1
1323140393
1414925521
15c4e8cba
hex85f4e09

140463625 has 8 divisors (see below), whose sum is σ = 175298760. Its totient is φ = 112370800.

The previous prime is 140463611. The next prime is 140463643. The reversal of 140463625 is 526364041.

It can be written as a sum of positive squares in 4 ways, for example, as 17424 + 140446201 = 132^2 + 11851^2 .

It is not a de Polignac number, because 140463625 - 223 = 132075017 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 561730 + ... + 561979.

It is an arithmetic number, because the mean of its divisors is an integer number (21912345).

Almost surely, 2140463625 is an apocalyptic number.

It is an amenable number.

140463625 is a deficient number, since it is larger than the sum of its proper divisors (34835135).

140463625 is an equidigital number, since it uses as much as digits as its factorization.

140463625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123724 (or 1123714 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 140463625 is about 11851.7351050384. The cubic root of 140463625 is about 519.8219619791.

It can be divided in two parts, 14046 and 3625, that added together give a palindrome (17671).

The spelling of 140463625 in words is "one hundred forty million, four hundred sixty-three thousand, six hundred twenty-five".

Divisors: 1 5 25 125 1123709 5618545 28092725 140463625