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4945361 = 13813581
BaseRepresentation
bin10010110111010111010001
3100022020202112
4102313113101
52231222421
6253555105
760014651
oct22672721
910266675
104945361
112878583
1217a5a95
131041c65
1492a361
1567a45b
hex4b75d1

4945361 has 4 divisors (see below), whose sum is σ = 4950324. Its totient is φ = 4940400.

The previous prime is 4945333. The next prime is 4945373. The reversal of 4945361 is 1635494.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3444736 + 1500625 = 1856^2 + 1225^2 .

It is a cyclic number.

It is not a de Polignac number, because 4945361 - 210 = 4944337 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4945261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410 + ... + 3171.

It is an arithmetic number, because the mean of its divisors is an integer number (1237581).

Almost surely, 24945361 is an apocalyptic number.

It is an amenable number.

4945361 is a deficient number, since it is larger than the sum of its proper divisors (4963).

4945361 is a wasteful number, since it uses less digits than its factorization.

4945361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4962.

The product of its digits is 12960, while the sum is 32.

The square root of 4945361 is about 2223.8167640343. The cubic root of 4945361 is about 170.3724360662.

The spelling of 4945361 in words is "four million, nine hundred forty-five thousand, three hundred sixty-one".

Divisors: 1 1381 3581 4945361