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113445587 is a prime number
BaseRepresentation
bin1101100001100…
…00101011010011
321220110122002102
412300300223103
5213020224322
615131311015
72545162103
oct660605323
9256418072
10113445587
1159045392
1231bab46b
131a670788
14110d1203
159e5d792
hex6c30ad3

113445587 has 2 divisors, whose sum is σ = 113445588. Its totient is φ = 113445586.

The previous prime is 113445583. The next prime is 113445611. The reversal of 113445587 is 785544311.

It is a weak prime.

It is an emirp because it is prime and its reverse (785544311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113445587 - 22 = 113445583 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113445587.

It is not a weakly prime, because it can be changed into another prime (113445581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56722793 + 56722794.

It is an arithmetic number, because the mean of its divisors is an integer number (56722794).

Almost surely, 2113445587 is an apocalyptic number.

113445587 is a deficient number, since it is larger than the sum of its proper divisors (1).

113445587 is an equidigital number, since it uses as much as digits as its factorization.

113445587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67200, while the sum is 38.

The square root of 113445587 is about 10651.0838415628. The cubic root of 113445587 is about 484.0934452341.

Adding to 113445587 its reverse (785544311), we get a palindrome (898989898).

The spelling of 113445587 in words is "one hundred thirteen million, four hundred forty-five thousand, five hundred eighty-seven".