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99057025 = 5241241401
BaseRepresentation
bin1011110011101…
…11110110000001
320220101121200201
411321313312001
5200324311100
613455045201
72311653664
oct571676601
9226347621
1099057025
1150a08011
1229210801
13176a3532
14d2276db
158a6a36a
hex5e77d81

99057025 has 24 divisors (see below), whose sum is σ = 126663768. Its totient is φ = 76800000.

The previous prime is 99057017. The next prime is 99057041. The reversal of 99057025 is 52075099.

It can be written as a sum of positive squares in 12 ways, for example, as 11128896 + 87928129 = 3336^2 + 9377^2 .

It is not a de Polignac number, because 99057025 - 23 = 99057017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 246825 + ... + 247225.

It is an arithmetic number, because the mean of its divisors is an integer number (5277657).

Almost surely, 299057025 is an apocalyptic number.

It is an amenable number.

99057025 is a deficient number, since it is larger than the sum of its proper divisors (27606743).

99057025 is a wasteful number, since it uses less digits than its factorization.

99057025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693 (or 688 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 37.

The square root of 99057025 is about 9952.7395726001. The cubic root of 99057025 is about 462.6953058754.

The spelling of 99057025 in words is "ninety-nine million, fifty-seven thousand, twenty-five".

Divisors: 1 5 25 41 205 241 401 1025 1205 2005 6025 9881 10025 16441 49405 82205 96641 247025 411025 483205 2416025 3962281 19811405 99057025