Search a number
-
+
315114341 = 709444449
BaseRepresentation
bin10010110010000…
…100001101100101
3210221221110121112
4102302010031211
51121132124331
651133554405
710544266463
oct2262041545
9727843545
10315114341
11151968083
1289645a05
13503904b9
142dbc9833
151c9e732b
hex12c84365

315114341 has 4 divisors (see below), whose sum is σ = 315559500. Its totient is φ = 314669184.

The previous prime is 315114337. The next prime is 315114361. The reversal of 315114341 is 143411513.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 143411513 = 720487359.

It can be written as a sum of positive squares in 2 ways, for example, as 105472900 + 209641441 = 10270^2 + 14479^2 .

It is a cyclic number.

It is not a de Polignac number, because 315114341 - 22 = 315114337 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315114361) 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, 221516 + ... + 222933.

It is an arithmetic number, because the mean of its divisors is an integer number (78889875).

Almost surely, 2315114341 is an apocalyptic number.

It is an amenable number.

315114341 is a deficient number, since it is larger than the sum of its proper divisors (445159).

315114341 is an equidigital number, since it uses as much as digits as its factorization.

315114341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445158.

The product of its digits is 720, while the sum is 23.

The square root of 315114341 is about 17751.4602497935. The cubic root of 315114341 is about 680.4915282707.

Adding to 315114341 its reverse (143411513), we get a palindrome (458525854).

The spelling of 315114341 in words is "three hundred fifteen million, one hundred fourteen thousand, three hundred forty-one".

Divisors: 1 709 444449 315114341