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368148041 = 2213166357
BaseRepresentation
bin10101111100010…
…111111001001001
3221122201212011122
4111330113321021
51223221214131
6100310405025
712060130622
oct2574277111
9848655148
10368148041
111798a0088
12a3360775
135b36b6a1
1436c72a49
15224c0d7b
hex15f17e49

368148041 has 4 divisors (see below), whose sum is σ = 368316612. Its totient is φ = 367979472.

The previous prime is 368148037. The next prime is 368148043. The reversal of 368148041 is 140841863.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 140841863 = 612308883.

It can be written as a sum of positive squares in 2 ways, for example, as 361152016 + 6996025 = 19004^2 + 2645^2 .

It is a cyclic number.

It is not a de Polignac number, because 368148041 - 22 = 368148037 is a prime.

It is a super-3 number, since 3×3681480413 (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 368147992 and 368148010.

It is not an unprimeable number, because it can be changed into a prime (368148043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80966 + ... + 85391.

It is an arithmetic number, because the mean of its divisors is an integer number (92079153).

Almost surely, 2368148041 is an apocalyptic number.

It is an amenable number.

368148041 is a deficient number, since it is larger than the sum of its proper divisors (168571).

368148041 is a wasteful number, since it uses less digits than its factorization.

368148041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168570.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 368148041 is about 19187.1842905623. The cubic root of 368148041 is about 716.7056551591.

The spelling of 368148041 in words is "three hundred sixty-eight million, one hundred forty-eight thousand, forty-one".

Divisors: 1 2213 166357 368148041