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99999325 = 5210936697
BaseRepresentation
bin1011111010111…
…01111001011101
320222011111021201
411331131321131
5201044434300
613531155501
72322660136
oct575357135
9228144251
1099999325
11514a0a78
12295a5b91
13179433ca
14d3d0c8d
158ba466a
hex5f5de5d

99999325 has 12 divisors (see below), whose sum is σ = 125140180. Its totient is φ = 79263360.

The previous prime is 99999323. The next prime is 99999329. The reversal of 99999325 is 52399999.

It can be written as a sum of positive squares in 6 ways, for example, as 3606201 + 96393124 = 1899^2 + 9818^2 .

It is not a de Polignac number, because 99999325 - 21 = 99999323 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99999323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15624 + ... + 21073.

Almost surely, 299999325 is an apocalyptic number.

It is an amenable number.

99999325 is a deficient number, since it is larger than the sum of its proper divisors (25140855).

99999325 is a wasteful number, since it uses less digits than its factorization.

99999325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36816 (or 36811 counting only the distinct ones).

The product of its digits is 1771470, while the sum is 55.

The square root of 99999325 is about 9999.9662499430. The cubic root of 99999325 is about 464.1578390014.

The spelling of 99999325 in words is "ninety-nine million, nine hundred ninety-nine thousand, three hundred twenty-five".

Divisors: 1 5 25 109 545 2725 36697 183485 917425 3999973 19999865 99999325