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102587093 = 714655299
BaseRepresentation
bin1100001110101…
…01101011010101
321011000222000222
412013111223111
5202230241333
614102444125
72353655510
oct607255325
9234028028
10102587093
11529a9224
122a433645
131833b22b
14d8a5d77
159016298
hex61d5ad5

102587093 has 4 divisors (see below), whose sum is σ = 117242400. Its totient is φ = 87931788.

The previous prime is 102587083. The next prime is 102587113. The reversal of 102587093 is 390785201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 102587093 - 24 = 102587077 is a prime.

It is a super-2 number, since 2×1025870932 = 21048223300381298, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102587003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7327643 + ... + 7327656.

It is an arithmetic number, because the mean of its divisors is an integer number (29310600).

Almost surely, 2102587093 is an apocalyptic number.

It is an amenable number.

102587093 is a deficient number, since it is larger than the sum of its proper divisors (14655307).

102587093 is an equidigital number, since it uses as much as digits as its factorization.

102587093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14655306.

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

The square root of 102587093 is about 10128.5286690615. The cubic root of 102587093 is about 468.1275935372.

The spelling of 102587093 in words is "one hundred two million, five hundred eighty-seven thousand, ninety-three".

Divisors: 1 7 14655299 102587093