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316440041 = 1916654739
BaseRepresentation
bin10010110111000…
…111110111101001
3211001102211010112
4102313013313221
51122002040131
651222224105
710561460501
oct2267076751
9731384115
10316440041
111526930a5
1289b85035
1350735a38
1430052a01
151cbaa02b
hex12dc7de9

316440041 has 4 divisors (see below), whose sum is σ = 333094800. Its totient is φ = 299785284.

The previous prime is 316440037. The next prime is 316440101. The reversal of 316440041 is 140044613.

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 316440041 - 22 = 316440037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 316439989 and 316440016.

It is not an unprimeable number, because it can be changed into a prime (316440011) 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, 8327351 + ... + 8327388.

It is an arithmetic number, because the mean of its divisors is an integer number (83273700).

Almost surely, 2316440041 is an apocalyptic number.

It is an amenable number.

316440041 is a deficient number, since it is larger than the sum of its proper divisors (16654759).

316440041 is a wasteful number, since it uses less digits than its factorization.

316440041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16654758.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 316440041 is about 17788.7616488613. The cubic root of 316440041 is about 681.4444791560. Note that the first 4 decimals are identical.

Adding to 316440041 its reverse (140044613), we get a palindrome (456484654).

The spelling of 316440041 in words is "three hundred sixteen million, four hundred forty thousand, forty-one".

Divisors: 1 19 16654739 316440041