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98145725 = 523925829
BaseRepresentation
bin1011101100110…
…01010110111101
320211200022121212
411312121112331
5200111130400
613423334205
72301140066
oct566312675
9224608555
1098145725
1150445377
1228a51365
13174447c2
14d06b56d
15893a335
hex5d995bd

98145725 has 6 divisors (see below), whose sum is σ = 121700730. Its totient is φ = 78516560.

The previous prime is 98145703. The next prime is 98145731. The reversal of 98145725 is 52754189.

It can be written as a sum of positive squares in 3 ways, for example, as 13118884 + 85026841 = 3622^2 + 9221^2 .

It is not a de Polignac number, because 98145725 - 26 = 98145661 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1962890 + ... + 1962939.

It is an arithmetic number, because the mean of its divisors is an integer number (20283455).

Almost surely, 298145725 is an apocalyptic number.

It is an amenable number.

98145725 is a deficient number, since it is larger than the sum of its proper divisors (23555005).

98145725 is a wasteful number, since it uses less digits than its factorization.

98145725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3925839 (or 3925834 counting only the distinct ones).

The product of its digits is 100800, while the sum is 41.

The square root of 98145725 is about 9906.8524264773. The cubic root of 98145725 is about 461.2720384199.

The spelling of 98145725 in words is "ninety-eight million, one hundred forty-five thousand, seven hundred twenty-five".

Divisors: 1 5 25 3925829 19629145 98145725