Search a number
-
+
87308341 = 271322171
BaseRepresentation
bin1010011010000…
…11100000110101
320002021201112021
411031003200311
5134322331331
612355153141
72110052161
oct515034065
9202251467
1087308341
114531305a
12252a57b1
131511ba53
14b849ca1
1579e9211
hex5343835

87308341 has 4 divisors (see below), whose sum is σ = 87630784. Its totient is φ = 86985900.

The previous prime is 87308317. The next prime is 87308359. The reversal of 87308341 is 14380378.

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 a cyclic number.

It is not a de Polignac number, because 87308341 - 213 = 87300149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87308297 and 87308306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87308371) 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, 160815 + ... + 161356.

It is an arithmetic number, because the mean of its divisors is an integer number (21907696).

Almost surely, 287308341 is an apocalyptic number.

It is an amenable number.

87308341 is a deficient number, since it is larger than the sum of its proper divisors (322443).

87308341 is a wasteful number, since it uses less digits than its factorization.

87308341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322442.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 87308341 is about 9343.8932463936. The cubic root of 87308341 is about 443.6276214539.

It can be divided in two parts, 8730 and 8341, that added together give a palindrome (17071).

The spelling of 87308341 in words is "eighty-seven million, three hundred eight thousand, three hundred forty-one".

Divisors: 1 271 322171 87308341