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260045441 = 547475403
BaseRepresentation
bin11110111111111…
…11101010000001
3200010022200021122
433133333222001
51013032423231
641445402025
76305230655
oct1737775201
9603280248
10260045441
11123874a97
1273109315
1341b4bb56
1426772a65
1517c6a77b
hexf7ffa81

260045441 has 4 divisors (see below), whose sum is σ = 260521392. Its totient is φ = 259569492.

The previous prime is 260045437. The next prime is 260045459. The reversal of 260045441 is 144540062.

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, and also an emirpimes, since its reverse is a distinct semiprime: 144540062 = 272270031.

It is a cyclic number.

It is not a de Polignac number, because 260045441 - 22 = 260045437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 260045441.

It is not an unprimeable number, because it can be changed into a prime (260045341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237155 + ... + 238248.

It is an arithmetic number, because the mean of its divisors is an integer number (65130348).

Almost surely, 2260045441 is an apocalyptic number.

It is an amenable number.

260045441 is a deficient number, since it is larger than the sum of its proper divisors (475951).

260045441 is an equidigital number, since it uses as much as digits as its factorization.

260045441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475950.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 260045441 is about 16125.9245006294. The cubic root of 260045441 is about 638.2876107172.

Subtracting from 260045441 its sum of digits (26), we obtain a triangular number (260045415 = T22805).

The spelling of 260045441 in words is "two hundred sixty million, forty-five thousand, four hundred forty-one".

Divisors: 1 547 475403 260045441