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440670341 = 2923096581
BaseRepresentation
bin11010010001000…
…001100010000101
31010201012101001202
4122101001202011
51400302422331
6111421032245
713630431116
oct3221014205
91121171052
10440670341
11206824171
121036b5685
13703b12a7
144275020d
1528a48ecb
hex1a441885

440670341 has 8 divisors (see below), whose sum is σ = 456132600. Its totient is φ = 425225920.

The previous prime is 440670319. The next prime is 440670343. The reversal of 440670341 is 143076044.

It can be written as a sum of positive squares in 4 ways, for example, as 83649316 + 357021025 = 9146^2 + 18895^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-440670341 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440670343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63671 + ... + 70251.

It is an arithmetic number, because the mean of its divisors is an integer number (57016575).

Almost surely, 2440670341 is an apocalyptic number.

It is an amenable number.

440670341 is a deficient number, since it is larger than the sum of its proper divisors (15462259).

440670341 is a wasteful number, since it uses less digits than its factorization.

440670341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8919.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 440670341 is about 20992.1495088045. The cubic root of 440670341 is about 760.9765499464.

It can be divided in two parts, 4406 and 70341, that added together give a palindrome (74747).

The spelling of 440670341 in words is "four hundred forty million, six hundred seventy thousand, three hundred forty-one".

Divisors: 1 29 2309 6581 66961 190849 15195529 440670341