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3869498525 = 52541728573
BaseRepresentation
bin1110011010100011…
…1101110010011101
3100222200010220002012
43212220331302131
530411042423100
61435544441005
7164614123544
oct34650756235
910880126065
103869498525
11170625a572
128bba79165
1349888b8c9
14289ca315b
15179a98135
hexe6a3dc9d

3869498525 has 12 divisors (see below), whose sum is σ = 4799231892. Its totient is φ = 3094919040.

The previous prime is 3869498513. The next prime is 3869498527. The reversal of 3869498525 is 5258949683.

It can be written as a sum of positive squares in 6 ways, for example, as 1843328356 + 2026170169 = 42934^2 + 45013^2 .

It is not a de Polignac number, because 3869498525 - 228 = 3601063069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3869498527) 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, 121139 + ... + 149711.

It is an arithmetic number, because the mean of its divisors is an integer number (399935991).

Almost surely, 23869498525 is an apocalyptic number.

It is an amenable number.

3869498525 is a deficient number, since it is larger than the sum of its proper divisors (929733367).

3869498525 is a wasteful number, since it uses less digits than its factorization.

3869498525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34000 (or 33995 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 59.

The square root of 3869498525 is about 62205.2933840843. The cubic root of 3869498525 is about 1569.9466525479.

The spelling of 3869498525 in words is "three billion, eight hundred sixty-nine million, four hundred ninety-eight thousand, five hundred twenty-five".

Divisors: 1 5 25 5417 27085 28573 135425 142865 714325 154779941 773899705 3869498525