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87925103 = 719661091
BaseRepresentation
bin1010011110110…
…10000101101111
320010110001120022
411033122011233
5140002100403
612420312355
72115231260
oct517320557
9203401508
1087925103
11456a4482
12255426bb
13152a66b6
14b96a967
157abbd38
hex53da16f

87925103 has 8 divisors (see below), whose sum is σ = 105774720. Its totient is φ = 71397720.

The previous prime is 87925087. The next prime is 87925111. The reversal of 87925103 is 30152978.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87925103 - 24 = 87925087 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 (87925133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330413 + ... + 330678.

It is an arithmetic number, because the mean of its divisors is an integer number (13221840).

Almost surely, 287925103 is an apocalyptic number.

87925103 is a deficient number, since it is larger than the sum of its proper divisors (17849617).

87925103 is a wasteful number, since it uses less digits than its factorization.

87925103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661117.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 87925103 is about 9376.8386463669. The cubic root of 87925103 is about 444.6697933297.

The spelling of 87925103 in words is "eighty-seven million, nine hundred twenty-five thousand, one hundred three".

Divisors: 1 7 19 133 661091 4627637 12560729 87925103