Search a number
-
+
87313341 = 3191531813
BaseRepresentation
bin1010011010001…
…00101110111101
320002021222101110
411031010232331
5134323011331
612355232233
72110102563
oct515045675
9202258343
1087313341
1145316895
12252a8679
13151210cb
14b84ba33
1579ea946
hex5344bbd

87313341 has 8 divisors (see below), whose sum is σ = 122545120. Its totient is φ = 55145232.

The previous prime is 87313327. The next prime is 87313381. The reversal of 87313341 is 14331378.

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

It is not a de Polignac number, because 87313341 - 29 = 87312829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87313299 and 87313308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87313301) 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, 765850 + ... + 765963.

It is an arithmetic number, because the mean of its divisors is an integer number (15318140).

Almost surely, 287313341 is an apocalyptic number.

It is an amenable number.

87313341 is a deficient number, since it is larger than the sum of its proper divisors (35231779).

87313341 is a wasteful number, since it uses less digits than its factorization.

87313341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531835.

The product of its digits is 6048, while the sum is 30.

The square root of 87313341 is about 9344.1607969897. The cubic root of 87313341 is about 443.6360898917.

The spelling of 87313341 in words is "eighty-seven million, three hundred thirteen thousand, three hundred forty-one".

Divisors: 1 3 19 57 1531813 4595439 29104447 87313341