Search a number
-
+
112517557 is a prime number
BaseRepresentation
bin1101011010011…
…10000110110101
321211201111001221
412231032012311
5212301030212
615055350341
72534245345
oct655160665
9254644057
10112517557
1158571119
12318223b1
131a407249
1410d2cd25
159d28807
hex6b4e1b5

112517557 has 2 divisors, whose sum is σ = 112517558. Its totient is φ = 112517556.

The previous prime is 112517533. The next prime is 112517617. The reversal of 112517557 is 755715211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91412721 + 21104836 = 9561^2 + 4594^2 .

It is an emirp because it is prime and its reverse (755715211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-112517557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112517057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56258778 + 56258779.

It is an arithmetic number, because the mean of its divisors is an integer number (56258779).

Almost surely, 2112517557 is an apocalyptic number.

It is an amenable number.

112517557 is a deficient number, since it is larger than the sum of its proper divisors (1).

112517557 is an equidigital number, since it uses as much as digits as its factorization.

112517557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12250, while the sum is 34.

The square root of 112517557 is about 10607.4293304269. The cubic root of 112517557 is about 482.7698037330.

The spelling of 112517557 in words is "one hundred twelve million, five hundred seventeen thousand, five hundred fifty-seven".